20175280835

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1\times {\mathrm{491}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 24748623360

約数和(自身を除く): 4573342525

約数列:

[1, 5, 71, 283, 355, 409, 491, 1415, 2045, 2455, 20093, 29039, 34861, 100465, 115747, 138953, 145195, 174305, 200819, 578735, 694765, 1004095, 8218037, 9865663, 14258149, 41090185, 49328315, 56831777, 71290745, 284158885, 4035056167, 20175280835]

約数ペア:

[(1, 20175280835), (5, 4035056167), (71, 284158885), (283, 71290745), (355, 56831777), (409, 49328315), (491, 41090185), (1415, 14258149), (2045, 9865663), (2455, 8218037), (20093, 1004095), (29039, 694765), (34861, 578735), (100465, 200819), (115747, 174305), (138953, 145195)]