17802020

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7877}}^1$

素因数の和:7999

約数の個数: 24

約数和(自身を含む): 37719864

約数和(自身を除く): 19917844

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 7877, 15754, 31508, 39385, 78770, 157540, 890101, 1780202, 3560404, 4450505, 8901010, 17802020]

約数ペア:

[(1, 17802020), (2, 8901010), (4, 4450505), (5, 3560404), (10, 1780202), (20, 890101), (113, 157540), (226, 78770), (452, 39385), (565, 31508), (1130, 15754), (2260, 7877)]