12101820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 34237728

約数和(自身を除く): 22135908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 1997, 2020, 3030, 3994, 5991, 6060, 7988, 9985, 11982, 19970, 23964, 29955, 39940, 59910, 119820, 201697, 403394, 605091, 806788, 1008485, 1210182, 2016970, 2420364, 3025455, 4033940, 6050910, 12101820]

約数ペア:

[(1, 12101820), (2, 6050910), (3, 4033940), (4, 3025455), (5, 2420364), (6, 2016970), (10, 1210182), (12, 1008485), (15, 806788), (20, 605091), (30, 403394), (60, 201697), (101, 119820), (202, 59910), (303, 39940), (404, 29955), (505, 23964), (606, 19970), (1010, 11982), (1212, 9985), (1515, 7988), (1997, 6060), (2020, 5991), (3030, 3994)]