I divisori di 20501990 sono 32, elencati qui di seguito: 1; 2; 5; 10; 53; 101; 106; 202; 265; 383; 505; 530; 766; 1010; 1915; 3830; 5353; 10706; 20299; 26765; 38683; 40598; 53530; 77366; 101495; 193415; 202990; 386830; 2050199; 4100398; 10250995; 20501990
20501971, 20501972, 20501973, 20501974, 20501975, 20501976, 20501977, 20501978, 20501979, 20501980, 20501981, 20501982, 20501983, 20501984, 20501985, 20501986, 20501987, 20501988, 20501989, 20501991, 20501992, 20501993, 20501994, 20501995, 20501996, 20501997, 20501998, 20501999, 20502000, 20502001, 20502002, 20502003, 20502004, 20502005, 20502006, 20502007, 20502008, 20502009