15660086620

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3710921}}^1$

素因数の和:3711141

約数の個数: 24

約数和(自身を含む): 33042049488

約数和(自身を除く): 17381962868

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 3710921, 7421842, 14843684, 18554605, 37109210, 74218420, 783004331, 1566008662, 3132017324, 3915021655, 7830043310, 15660086620]

約数ペア:

[(1, 15660086620), (2, 7830043310), (4, 3915021655), (5, 3132017324), (10, 1566008662), (20, 783004331), (211, 74218420), (422, 37109210), (844, 18554605), (1055, 14843684), (2110, 7421842), (4220, 3710921)]