16725220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3499}}^1$

素因数の和:3747

約数の個数: 24

約数和(自身を含む): 35280000

約数和(自身を除く): 18554780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 3499, 4780, 6998, 13996, 17495, 34990, 69980, 836261, 1672522, 3345044, 4181305, 8362610, 16725220]

約数ペア:

[(1, 16725220), (2, 8362610), (4, 4181305), (5, 3345044), (10, 1672522), (20, 836261), (239, 69980), (478, 34990), (956, 17495), (1195, 13996), (2390, 6998), (3499, 4780)]