20172620180

素因数分解:

$2^2\times 5^1\times {\mathrm{1008631009}}^1$

素因数の和:1008631018

約数の個数: 12

約数和(自身を含む): 42362502420

約数和(自身を除く): 22189882240

約数列:

[1, 2, 4, 5, 10, 20, 1008631009, 2017262018, 4034524036, 5043155045, 10086310090, 20172620180]

約数ペア:

[(1, 20172620180), (2, 10086310090), (4, 5043155045), (5, 4034524036), (10, 2017262018), (20, 1008631009)]