20120681678

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1\times {\mathrm{212239}}^1$

素因数の和:212791

約数の個数: 16

約数和(自身を含む): 30531997440

約数和(自身を除く): 10411315762

約数列:

[1, 2, 107, 214, 443, 886, 47401, 94802, 212239, 424478, 22709573, 45419146, 94021877, 188043754, 10060340839, 20120681678]

約数ペア:

[(1, 20120681678), (2, 10060340839), (107, 188043754), (214, 94021877), (443, 45419146), (886, 22709573), (47401, 424478), (94802, 212239)]