20138025718

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{508973}}^1$

素因数の和:509319

約数の個数: 16

約数和(自身を含む): 30733886016

約数和(自身を除く): 10595860298

約数列:

[1, 2, 73, 146, 271, 542, 19783, 39566, 508973, 1017946, 37155029, 74310058, 137931683, 275863366, 10069012859, 20138025718]

約数ペア:

[(1, 20138025718), (2, 10069012859), (73, 275863366), (146, 137931683), (271, 74310058), (542, 37155029), (19783, 1017946), (39566, 508973)]