22101980

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2113}}^1$

素因数の和:2645

約数の個数: 24

約数和(自身を含む): 46524912

約数和(自身を除く): 24422932

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2113, 2615, 4226, 5230, 8452, 10460, 10565, 21130, 42260, 1105099, 2210198, 4420396, 5525495, 11050990, 22101980]

約数ペア:

[(1, 22101980), (2, 11050990), (4, 5525495), (5, 4420396), (10, 2210198), (20, 1105099), (523, 42260), (1046, 21130), (2092, 10565), (2113, 10460), (2615, 8452), (4226, 5230)]