13881460

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1697}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 29239560

約数和(自身を除く): 15358100

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 1697, 2045, 3394, 4090, 6788, 8180, 8485, 16970, 33940, 694073, 1388146, 2776292, 3470365, 6940730, 13881460]

約数ペア:

[(1, 13881460), (2, 6940730), (4, 3470365), (5, 2776292), (10, 1388146), (20, 694073), (409, 33940), (818, 16970), (1636, 8485), (1697, 8180), (2045, 6788), (3394, 4090)]