20255305

素因数分解:

$5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{1039}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 27855360

約数和(自身を除く): 7600055

約数列:

[1, 5, 7, 35, 557, 1039, 2785, 3899, 5195, 7273, 19495, 36365, 578723, 2893615, 4051061, 20255305]

約数ペア:

[(1, 20255305), (5, 4051061), (7, 2893615), (35, 578723), (557, 36365), (1039, 19495), (2785, 7273), (3899, 5195)]