I divisori di 22001990 sono 8, elencati qui di seguito: 1; 2; 5; 10; 2200199; 4400398; 11000995; 22001990
22001971, 22001972, 22001973, 22001974, 22001975, 22001976, 22001977, 22001978, 22001979, 22001980, 22001981, 22001982, 22001983, 22001984, 22001985, 22001986, 22001987, 22001988, 22001989, 22001991, 22001992, 22001993, 22001994, 22001995, 22001996, 22001997, 22001998, 22001999, 22002000, 22002001, 22002002, 22002003, 22002004, 22002005, 22002006, 22002007, 22002008, 22002009