220917796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{12647}}^1$

素因数の和:13059

約数の個数: 24

約数和(自身を含む): 422847936

約数和(自身を除く): 201930140

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1588, 4367, 8734, 12647, 17468, 25294, 50588, 139117, 278234, 556468, 5020859, 10041718, 20083436, 55229449, 110458898, 220917796]

約数ペア:

[(1, 220917796), (2, 110458898), (4, 55229449), (11, 20083436), (22, 10041718), (44, 5020859), (397, 556468), (794, 278234), (1588, 139117), (4367, 50588), (8734, 25294), (12647, 17468)]