I divisori di 20021990 sono 8, elencati qui di seguito: 1; 2; 5; 10; 2002199; 4004398; 10010995; 20021990
20021971, 20021972, 20021973, 20021974, 20021975, 20021976, 20021977, 20021978, 20021979, 20021980, 20021981, 20021982, 20021983, 20021984, 20021985, 20021986, 20021987, 20021988, 20021989, 20021991, 20021992, 20021993, 20021994, 20021995, 20021996, 20021997, 20021998, 20021999, 20022000, 20022001, 20022002, 20022003, 20022004, 20022005, 20022006, 20022007, 20022008, 20022009