20171901580

素因数分解:

$2^2\times 5^1\times {\mathrm{1008595079}}^1$

素因数の和:1008595088

約数の個数: 12

約数和(自身を含む): 42360993360

約数和(自身を除く): 22189091780

約数列:

[1, 2, 4, 5, 10, 20, 1008595079, 2017190158, 4034380316, 5042975395, 10085950790, 20171901580]

約数ペア:

[(1, 20171901580), (2, 10085950790), (4, 5042975395), (5, 4034380316), (10, 2017190158), (20, 1008595079)]