20644976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2861}}^1$

素因数の和:2921

約数の個数: 40

約数和(自身を含む): 44715888

約数和(自身を除く): 24070912

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 2861, 3608, 5722, 7216, 11444, 22888, 31471, 45776, 62942, 117301, 125884, 234602, 251768, 469204, 503536, 938408, 1290311, 1876816, 2580622, 5161244, 10322488, 20644976]

約数ペア:

[(1, 20644976), (2, 10322488), (4, 5161244), (8, 2580622), (11, 1876816), (16, 1290311), (22, 938408), (41, 503536), (44, 469204), (82, 251768), (88, 234602), (164, 125884), (176, 117301), (328, 62942), (451, 45776), (656, 31471), (902, 22888), (1804, 11444), (2861, 7216), (3608, 5722)]