20225877

素因数分解:

$3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 31562496

約数和(自身を除く): 11336619

約数列:

[1, 3, 7, 21, 49, 147, 223, 617, 669, 1561, 1851, 4319, 4683, 10927, 12957, 30233, 32781, 90699, 137591, 412773, 963137, 2889411, 6741959, 20225877]

約数ペア:

[(1, 20225877), (3, 6741959), (7, 2889411), (21, 963137), (49, 412773), (147, 137591), (223, 90699), (617, 32781), (669, 30233), (1561, 12957), (1851, 10927), (4319, 4683)]