20185529

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 25368192

約数和(自身を除く): 5182663

約数列:

[1, 7, 13, 91, 113, 151, 169, 791, 1057, 1183, 1469, 1963, 10283, 13741, 17063, 19097, 25519, 119441, 133679, 178633, 221819, 1552733, 2883647, 20185529]

約数ペア:

[(1, 20185529), (7, 2883647), (13, 1552733), (91, 221819), (113, 178633), (151, 133679), (169, 119441), (791, 25519), (1057, 19097), (1183, 17063), (1469, 13741), (1963, 10283)]