20185238420

素因数分解:

$2^2\times 5^1\times {\mathrm{1009261921}}^1$

素因数の和:1009261930

約数の個数: 12

約数和(自身を含む): 42389000724

約数和(自身を除く): 22203762304

約数列:

[1, 2, 4, 5, 10, 20, 1009261921, 2018523842, 4037047684, 5046309605, 10092619210, 20185238420]

約数ペア:

[(1, 20185238420), (2, 10092619210), (4, 5046309605), (5, 4037047684), (10, 2018523842), (20, 1009261921)]