20189071384

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58689161}}^1$

素因数の和:58689210

約数の個数: 16

約数和(自身を含む): 38734846920

約数和(自身を除く): 18545775536

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58689161, 117378322, 234756644, 469513288, 2523633923, 5047267846, 10094535692, 20189071384]

約数ペア:

[(1, 20189071384), (2, 10094535692), (4, 5047267846), (8, 2523633923), (43, 469513288), (86, 234756644), (172, 117378322), (344, 58689161)]