20187694808

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2275439}}^1$

素因数の和:2276554

約数の個数: 16

約数和(自身を含む): 37886076000

約数和(自身を除く): 17698381192

約数列:

[1, 2, 4, 8, 1109, 2218, 4436, 8872, 2275439, 4550878, 9101756, 18203512, 2523461851, 5046923702, 10093847404, 20187694808]

約数ペア:

[(1, 20187694808), (2, 10093847404), (4, 5046923702), (8, 2523461851), (1109, 18203512), (2218, 9101756), (4436, 4550878), (8872, 2275439)]