201204020

素因数分解:

$2^2\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{6571}}^1$

素因数の和:8111

約数の個数: 24

約数和(自身を含む): 422868768

約数和(自身を除く): 221664748

約数列:

[1, 2, 4, 5, 10, 20, 1531, 3062, 6124, 6571, 7655, 13142, 15310, 26284, 30620, 32855, 65710, 131420, 10060201, 20120402, 40240804, 50301005, 100602010, 201204020]

約数ペア:

[(1, 201204020), (2, 100602010), (4, 50301005), (5, 40240804), (10, 20120402), (20, 10060201), (1531, 131420), (3062, 65710), (6124, 32855), (6571, 30620), (7655, 26284), (13142, 15310)]