20815667

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{383}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23224320

約数和(自身を除く): 2408653

約数列:

[1, 17, 23, 139, 383, 391, 2363, 3197, 6511, 8809, 53237, 54349, 149753, 905029, 1224451, 20815667]

約数ペア:

[(1, 20815667), (17, 1224451), (23, 905029), (139, 149753), (383, 54349), (391, 53237), (2363, 8809), (3197, 6511)]