20121120253

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5021}}^1\times {\mathrm{18133}}^1$

素因数の和:23184

約数の個数: 16

約数和(自身を含む): 22949374896

約数和(自身を除く): 2828254643

約数列:

[1, 13, 17, 221, 5021, 18133, 65273, 85357, 235729, 308261, 1109641, 4007393, 91045793, 1183595309, 1547778481, 20121120253]

約数ペア:

[(1, 20121120253), (13, 1547778481), (17, 1183595309), (221, 91045793), (5021, 4007393), (18133, 1109641), (65273, 308261), (85357, 235729)]