20156989198

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{4115351}}^1$

素因数の和:4115463

約数の個数: 16

約数和(自身を含む): 31605903360

約数和(自身を除く): 11448914162

約数列:

[1, 2, 31, 62, 79, 158, 2449, 4898, 4115351, 8230702, 127575881, 255151762, 325112729, 650225458, 10078494599, 20156989198]

約数ペア:

[(1, 20156989198), (2, 10078494599), (31, 650225458), (62, 325112729), (79, 255151762), (158, 127575881), (2449, 8230702), (4898, 4115351)]