20713465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 25529616

約数和(自身を除く): 4816151

約数列:

[1, 5, 61, 113, 305, 565, 601, 3005, 6893, 34465, 36661, 67913, 183305, 339565, 4142693, 20713465]

約数ペア:

[(1, 20713465), (5, 4142693), (61, 339565), (113, 183305), (305, 67913), (565, 36661), (601, 34465), (3005, 6893)]