20565862505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{351343}}^1$

素因数の和:351880

約数の個数: 16

約数和(自身を含む): 25802703360

約数和(自身を除く): 5236840855

約数列:

[1, 5, 23, 115, 509, 2545, 11707, 58535, 351343, 1756715, 8080889, 40404445, 178833587, 894167935, 4113172501, 20565862505]

約数ペア:

[(1, 20565862505), (5, 4113172501), (23, 894167935), (115, 178833587), (509, 40404445), (2545, 8080889), (11707, 1756715), (58535, 351343)]