20413468

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 36368640

約数和(自身を除く): 15955172

約数列:

[1, 2, 4, 131, 163, 239, 262, 326, 478, 524, 652, 956, 21353, 31309, 38957, 42706, 62618, 77914, 85412, 125236, 155828, 5103367, 10206734, 20413468]

約数ペア:

[(1, 20413468), (2, 10206734), (4, 5103367), (131, 155828), (163, 125236), (239, 85412), (262, 77914), (326, 62618), (478, 42706), (524, 38957), (652, 31309), (956, 21353)]