15820340

素因数分解:

$2^2\times 5^1\times {\mathrm{791017}}^1$

素因数の和:791026

約数の個数: 12

約数和(自身を含む): 33222756

約数和(自身を除く): 17402416

約数列:

[1, 2, 4, 5, 10, 20, 791017, 1582034, 3164068, 3955085, 7910170, 15820340]

約数ペア:

[(1, 15820340), (2, 7910170), (4, 3955085), (5, 3164068), (10, 1582034), (20, 791017)]