20515088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2843}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 44434656

約数和(自身を除く): 23919568

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2843, 3608, 5686, 7216, 11372, 22744, 31273, 45488, 62546, 116563, 125092, 233126, 250184, 466252, 500368, 932504, 1282193, 1865008, 2564386, 5128772, 10257544, 20515088]

約数ペア:

[(1, 20515088), (2, 10257544), (4, 5128772), (8, 2564386), (11, 1865008), (16, 1282193), (22, 932504), (41, 500368), (44, 466252), (82, 250184), (88, 233126), (164, 125092), (176, 116563), (328, 62546), (451, 45488), (656, 31273), (902, 22744), (1804, 11372), (2843, 7216), (3608, 5686)]