20794004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 45741696

約数和(自身を除く): 24947692

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 181, 308, 362, 373, 724, 746, 1267, 1492, 1991, 2534, 2611, 3982, 4103, 5068, 5222, 7964, 8206, 10444, 13937, 16412, 27874, 28721, 55748, 57442, 67513, 114884, 135026, 270052, 472591, 742643, 945182, 1485286, 1890364, 2970572, 5198501, 10397002, 20794004]

約数ペア:

[(1, 20794004), (2, 10397002), (4, 5198501), (7, 2970572), (11, 1890364), (14, 1485286), (22, 945182), (28, 742643), (44, 472591), (77, 270052), (154, 135026), (181, 114884), (308, 67513), (362, 57442), (373, 55748), (724, 28721), (746, 27874), (1267, 16412), (1492, 13937), (1991, 10444), (2534, 8206), (2611, 7964), (3982, 5222), (4103, 5068)]