20188256

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 43944768

約数和(自身を除く): 23756512

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 691, 913, 1328, 1382, 1826, 2656, 2764, 3652, 5528, 7304, 7601, 11056, 14608, 15202, 22112, 29216, 30404, 57353, 60808, 114706, 121616, 229412, 243232, 458824, 630883, 917648, 1261766, 1835296, 2523532, 5047064, 10094128, 20188256]

約数ペア:

[(1, 20188256), (2, 10094128), (4, 5047064), (8, 2523532), (11, 1835296), (16, 1261766), (22, 917648), (32, 630883), (44, 458824), (83, 243232), (88, 229412), (166, 121616), (176, 114706), (332, 60808), (352, 57353), (664, 30404), (691, 29216), (913, 22112), (1328, 15202), (1382, 14608), (1826, 11056), (2656, 7601), (2764, 7304), (3652, 5528)]