20165961590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11681}}^1\times {\mathrm{5569}}^1$

素因数の和:17288

約数の個数: 32

約数和(自身を含む): 37479594240

約数和(自身を除く): 17313632650

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 5569, 11138, 11681, 23362, 27845, 55690, 58405, 116810, 172639, 345278, 362111, 724222, 863195, 1726390, 1810555, 3621110, 65051489, 130102978, 325257445, 650514890, 2016596159, 4033192318, 10082980795, 20165961590]

約数ペア:

[(1, 20165961590), (2, 10082980795), (5, 4033192318), (10, 2016596159), (31, 650514890), (62, 325257445), (155, 130102978), (310, 65051489), (5569, 3621110), (11138, 1810555), (11681, 1726390), (23362, 863195), (27845, 724222), (55690, 362111), (58405, 345278), (116810, 172639)]