20217016

素因数分解:

$2^3\times {\mathrm{353}}^1\times {\mathrm{7159}}^1$

素因数の和:7518

約数の個数: 16

約数和(自身を含む): 38019600

約数和(自身を除く): 17802584

約数列:

[1, 2, 4, 8, 353, 706, 1412, 2824, 7159, 14318, 28636, 57272, 2527127, 5054254, 10108508, 20217016]

約数ペア:

[(1, 20217016), (2, 10108508), (4, 5054254), (8, 2527127), (353, 57272), (706, 28636), (1412, 14318), (2824, 7159)]