20186660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77641}}^1$

素因数の和:77663

約数の個数: 24

約数和(自身を含む): 45653496

約数和(自身を除く): 25466836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77641, 155282, 310564, 388205, 776410, 1009333, 1552820, 2018666, 4037332, 5046665, 10093330, 20186660]

約数ペア:

[(1, 20186660), (2, 10093330), (4, 5046665), (5, 4037332), (10, 2018666), (13, 1552820), (20, 1009333), (26, 776410), (52, 388205), (65, 310564), (130, 155282), (260, 77641)]