20256508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1381}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 37535120

約数和(自身を除く): 17278612

約数列:

[1, 2, 4, 19, 38, 76, 193, 386, 772, 1381, 2762, 3667, 5524, 7334, 14668, 26239, 52478, 104956, 266533, 533066, 1066132, 5064127, 10128254, 20256508]

約数ペア:

[(1, 20256508), (2, 10128254), (4, 5064127), (19, 1066132), (38, 533066), (76, 266533), (193, 104956), (386, 52478), (772, 26239), (1381, 14668), (2762, 7334), (3667, 5524)]