20131555895

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1637}}^1\times {\mathrm{20327}}^1$

素因数の和:21991

約数の個数: 24

約数和(自身を含む): 26571216672

約数和(自身を除く): 6439660777

約数列:

[1, 5, 11, 55, 121, 605, 1637, 8185, 18007, 20327, 90035, 101635, 198077, 223597, 990385, 1117985, 2459567, 12297835, 33275299, 166376495, 366028289, 1830141445, 4026311179, 20131555895]

約数ペア:

[(1, 20131555895), (5, 4026311179), (11, 1830141445), (55, 366028289), (121, 166376495), (605, 33275299), (1637, 12297835), (8185, 2459567), (18007, 1117985), (20327, 990385), (90035, 223597), (101635, 198077)]