20637570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9689}}^1$

素因数の和:9770

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 29595390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 9689, 19378, 29067, 48445, 58134, 96890, 145335, 290670, 687919, 1375838, 2063757, 3439595, 4127514, 6879190, 10318785, 20637570]

約数ペア:

[(1, 20637570), (2, 10318785), (3, 6879190), (5, 4127514), (6, 3439595), (10, 2063757), (15, 1375838), (30, 687919), (71, 290670), (142, 145335), (213, 96890), (355, 58134), (426, 48445), (710, 29067), (1065, 19378), (2130, 9689)]