15912620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3329}}^1$

素因数の和:3577

約数の個数: 24

約数和(自身を含む): 33566400

約数和(自身を除く): 17653780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 3329, 4780, 6658, 13316, 16645, 33290, 66580, 795631, 1591262, 3182524, 3978155, 7956310, 15912620]

約数ペア:

[(1, 15912620), (2, 7956310), (4, 3978155), (5, 3182524), (10, 1591262), (20, 795631), (239, 66580), (478, 33290), (956, 16645), (1195, 13316), (2390, 6658), (3329, 4780)]