20805356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36373}}^1$

素因数の和:36401

約数の個数: 24

約数和(自身を含む): 42775824

約数和(自身を除く): 21970468

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36373, 72746, 145492, 400103, 472849, 800206, 945698, 1600412, 1891396, 5201339, 10402678, 20805356]

約数ペア:

[(1, 20805356), (2, 10402678), (4, 5201339), (11, 1891396), (13, 1600412), (22, 945698), (26, 800206), (44, 472849), (52, 400103), (143, 145492), (286, 72746), (572, 36373)]