20507608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{4397}}^1$

素因数の和:4467

約数の個数: 32

約数和(自身を含む): 42748560

約数和(自身を除く): 22240952

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 424, 583, 1166, 2332, 4397, 4664, 8794, 17588, 35176, 48367, 96734, 193468, 233041, 386936, 466082, 932164, 1864328, 2563451, 5126902, 10253804, 20507608]

約数ペア:

[(1, 20507608), (2, 10253804), (4, 5126902), (8, 2563451), (11, 1864328), (22, 932164), (44, 466082), (53, 386936), (88, 233041), (106, 193468), (212, 96734), (424, 48367), (583, 35176), (1166, 17588), (2332, 8794), (4397, 4664)]