201217820

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{8741}}^1$

素因数の和:9901

約数の個数: 24

約数和(自身を含む): 422972928

約数和(自身を除く): 221755108

約数列:

[1, 2, 4, 5, 10, 20, 1151, 2302, 4604, 5755, 8741, 11510, 17482, 23020, 34964, 43705, 87410, 174820, 10060891, 20121782, 40243564, 50304455, 100608910, 201217820]

約数ペア:

[(1, 201217820), (2, 100608910), (4, 50304455), (5, 40243564), (10, 20121782), (20, 10060891), (1151, 174820), (2302, 87410), (4604, 43705), (5755, 34964), (8741, 23020), (11510, 17482)]