20957354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13417}}^1$

素因数の和:13501

約数の個数: 16

約数和(自身を含む): 34779456

約数和(自身を除く): 13822102

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13417, 26834, 147587, 295174, 952607, 1905214, 10478677, 20957354]

約数ペア:

[(1, 20957354), (2, 10478677), (11, 1905214), (22, 952607), (71, 295174), (142, 147587), (781, 26834), (1562, 13417)]