20512163399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1061}}^1\times {\mathrm{12497}}^1$

素因数の和:13595

約数の個数: 32

約数和(自身を含む): 26758118016

約数和(自身を除く): 6245954617

約数列:

[1, 7, 13, 17, 91, 119, 221, 1061, 1547, 7427, 12497, 13793, 18037, 87479, 96551, 126259, 162461, 212449, 234481, 1137227, 1487143, 1641367, 2761837, 13259317, 19332859, 92815219, 172371121, 225408389, 1206597847, 1577858723, 2930309057, 20512163399]

約数ペア:

[(1, 20512163399), (7, 2930309057), (13, 1577858723), (17, 1206597847), (91, 225408389), (119, 172371121), (221, 92815219), (1061, 19332859), (1547, 13259317), (7427, 2761837), (12497, 1641367), (13793, 1487143), (18037, 1137227), (87479, 234481), (96551, 212449), (126259, 162461)]