201220185620

素因数分解:

$2^2\times 5^1\times {\mathrm{10061009281}}^1$

素因数の和:10061009290

約数の個数: 12

約数和(自身を含む): 422562389844

約数和(自身を除く): 221342204224

約数列:

[1, 2, 4, 5, 10, 20, 10061009281, 20122018562, 40244037124, 50305046405, 100610092810, 201220185620]

約数ペア:

[(1, 201220185620), (2, 100610092810), (4, 50305046405), (5, 40244037124), (10, 20122018562), (20, 10061009281)]