20568572

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2309}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 38419920

約数和(自身を除く): 17851348

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2227, 2309, 4454, 4618, 8908, 9236, 39253, 78506, 157012, 302479, 604958, 1209916, 5142143, 10284286, 20568572]

約数ペア:

[(1, 20568572), (2, 10284286), (4, 5142143), (17, 1209916), (34, 604958), (68, 302479), (131, 157012), (262, 78506), (524, 39253), (2227, 9236), (2309, 8908), (4454, 4618)]