20410456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5657}}^1$

素因数の和:5715

約数の個数: 32

約数和(自身を含む): 42774480

約数和(自身を除く): 22364024

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5657, 11314, 22628, 45256, 62227, 124454, 231937, 248908, 463874, 497816, 927748, 1855496, 2551307, 5102614, 10205228, 20410456]

約数ペア:

[(1, 20410456), (2, 10205228), (4, 5102614), (8, 2551307), (11, 1855496), (22, 927748), (41, 497816), (44, 463874), (82, 248908), (88, 231937), (164, 124454), (328, 62227), (451, 45256), (902, 22628), (1804, 11314), (3608, 5657)]