2020145290

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{449921}}^1$

素因数の和:450377

約数の個数: 16

約数和(自身を含む): 3644368200

約数和(自身を除く): 1624222910

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 449921, 899842, 2249605, 4499210, 202014529, 404029058, 1010072645, 2020145290]

約数ペア:

[(1, 2020145290), (2, 1010072645), (5, 404029058), (10, 202014529), (449, 4499210), (898, 2249605), (2245, 899842), (4490, 449921)]