13205740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3457}}^1$

素因数の和:3657

約数の個数: 24

約数和(自身を含む): 27885312

約数和(自身を除く): 14679572

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3457, 3820, 6914, 13828, 17285, 34570, 69140, 660287, 1320574, 2641148, 3301435, 6602870, 13205740]

約数ペア:

[(1, 13205740), (2, 6602870), (4, 3301435), (5, 2641148), (10, 1320574), (20, 660287), (191, 69140), (382, 34570), (764, 17285), (955, 13828), (1910, 6914), (3457, 3820)]