20291207848

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{25112881}}^1$

素因数の和:25112988

約数の個数: 16

約数和(自身を含む): 38422709460

約数和(自身を除く): 18131501612

約数列:

[1, 2, 4, 8, 101, 202, 404, 808, 25112881, 50225762, 100451524, 200903048, 2536400981, 5072801962, 10145603924, 20291207848]

約数ペア:

[(1, 20291207848), (2, 10145603924), (4, 5072801962), (8, 2536400981), (101, 200903048), (202, 100451524), (404, 50225762), (808, 25112881)]