15920620

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1399}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 33516000

約数和(自身を除く): 17595380

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1399, 2276, 2798, 2845, 5596, 5690, 6995, 11380, 13990, 27980, 796031, 1592062, 3184124, 3980155, 7960310, 15920620]

約数ペア:

[(1, 15920620), (2, 7960310), (4, 3980155), (5, 3184124), (10, 1592062), (20, 796031), (569, 27980), (1138, 13990), (1399, 11380), (2276, 6995), (2798, 5690), (2845, 5596)]