12637420

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3491}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 26692848

約数和(自身を除く): 14055428

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3491, 3620, 6982, 13964, 17455, 34910, 69820, 631871, 1263742, 2527484, 3159355, 6318710, 12637420]

約数ペア:

[(1, 12637420), (2, 6318710), (4, 3159355), (5, 2527484), (10, 1263742), (20, 631871), (181, 69820), (362, 34910), (724, 17455), (905, 13964), (1810, 6982), (3491, 3620)]