20557862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{46511}}^1$

素因数の和:46543

約数の個数: 16

約数和(自身を含む): 35163072

約数和(自身を除く): 14605210

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 46511, 93022, 604643, 790687, 1209286, 1581374, 10278931, 20557862]

約数ペア:

[(1, 20557862), (2, 10278931), (13, 1581374), (17, 1209286), (26, 790687), (34, 604643), (221, 93022), (442, 46511)]