817076020

素因数分解:

$2^2\times 5^1\times {\mathrm{40853801}}^1$

素因数の和:40853810

約数の個数: 12

約数和(自身を含む): 1715859684

約数和(自身を除く): 898783664

約数列:

[1, 2, 4, 5, 10, 20, 40853801, 81707602, 163415204, 204269005, 408538010, 817076020]

約数ペア:

[(1, 817076020), (2, 408538010), (4, 204269005), (5, 163415204), (10, 81707602), (20, 40853801)]