20205050

素因数分解:

$2^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{4001}}^1$

素因数の和:4114

約数の個数: 24

約数和(自身を含む): 37962972

約数和(自身を除く): 17757922

約数列:

[1, 2, 5, 10, 25, 50, 101, 202, 505, 1010, 2525, 4001, 5050, 8002, 20005, 40010, 100025, 200050, 404101, 808202, 2020505, 4041010, 10102525, 20205050]

約数ペア:

[(1, 20205050), (2, 10102525), (5, 4041010), (10, 2020505), (25, 808202), (50, 404101), (101, 200050), (202, 100025), (505, 40010), (1010, 20005), (2525, 8002), (4001, 5050)]