20172118180

素因数分解:

$2^2\times 5^1\times {\mathrm{6229}}^1\times {\mathrm{161921}}^1$

素因数の和:168159

約数の個数: 24

約数和(自身を含む): 42368510520

約数和(自身を除く): 22196392340

約数列:

[1, 2, 4, 5, 10, 20, 6229, 12458, 24916, 31145, 62290, 124580, 161921, 323842, 647684, 809605, 1619210, 3238420, 1008605909, 2017211818, 4034423636, 5043029545, 10086059090, 20172118180]

約数ペア:

[(1, 20172118180), (2, 10086059090), (4, 5043029545), (5, 4034423636), (10, 2017211818), (20, 1008605909), (6229, 3238420), (12458, 1619210), (24916, 809605), (31145, 647684), (62290, 323842), (124580, 161921)]