201987020

素因数分解:

$2^2\times 5^1\times {\mathrm{10099351}}^1$

素因数の和:10099360

約数の個数: 12

約数和(自身を含む): 424172784

約数和(自身を除く): 222185764

約数列:

[1, 2, 4, 5, 10, 20, 10099351, 20198702, 40397404, 50496755, 100993510, 201987020]

約数ペア:

[(1, 201987020), (2, 100993510), (4, 50496755), (5, 40397404), (10, 20198702), (20, 10099351)]