8542787020

素因数分解:

$2^2\times 5^1\times {\mathrm{427139351}}^1$

素因数の和:427139360

約数の個数: 12

約数和(自身を含む): 17939852784

約数和(自身を除く): 9397065764

約数列:

[1, 2, 4, 5, 10, 20, 427139351, 854278702, 1708557404, 2135696755, 4271393510, 8542787020]

約数ペア:

[(1, 8542787020), (2, 4271393510), (4, 2135696755), (5, 1708557404), (10, 854278702), (20, 427139351)]