20774864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2879}}^1$

素因数の和:2939

約数の個数: 40

約数和(自身を含む): 44997120

約数和(自身を除く): 24222256

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2879, 3608, 5758, 7216, 11516, 23032, 31669, 46064, 63338, 118039, 126676, 236078, 253352, 472156, 506704, 944312, 1298429, 1888624, 2596858, 5193716, 10387432, 20774864]

約数ペア:

[(1, 20774864), (2, 10387432), (4, 5193716), (8, 2596858), (11, 1888624), (16, 1298429), (22, 944312), (41, 506704), (44, 472156), (82, 253352), (88, 236078), (164, 126676), (176, 118039), (328, 63338), (451, 46064), (656, 31669), (902, 23032), (1804, 11516), (2879, 7216), (3608, 5758)]