15563620

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2351}}^1$

素因数の和:2691

約数の個数: 24

約数和(自身を含む): 32796288

約数和(自身を除く): 17232668

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2351, 3310, 4702, 6620, 9404, 11755, 23510, 47020, 778181, 1556362, 3112724, 3890905, 7781810, 15563620]

約数ペア:

[(1, 15563620), (2, 7781810), (4, 3890905), (5, 3112724), (10, 1556362), (20, 778181), (331, 47020), (662, 23510), (1324, 11755), (1655, 9404), (2351, 6620), (3310, 4702)]