20863084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11027}}^1$

素因数の和:11085

約数の個数: 24

約数和(自身を含む): 40759488

約数和(自身を除く): 19896404

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 11027, 22054, 44108, 121297, 242594, 474161, 485188, 948322, 1896644, 5215771, 10431542, 20863084]

約数ペア:

[(1, 20863084), (2, 10431542), (4, 5215771), (11, 1896644), (22, 948322), (43, 485188), (44, 474161), (86, 242594), (172, 121297), (473, 44108), (946, 22054), (1892, 11027)]