20321356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{2393}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 39012624

約数和(自身を除く): 18691268

約数列:

[1, 2, 4, 11, 22, 44, 193, 386, 772, 2123, 2393, 4246, 4786, 8492, 9572, 26323, 52646, 105292, 461849, 923698, 1847396, 5080339, 10160678, 20321356]

約数ペア:

[(1, 20321356), (2, 10160678), (4, 5080339), (11, 1847396), (22, 923698), (44, 461849), (193, 105292), (386, 52646), (772, 26323), (2123, 9572), (2393, 8492), (4246, 4786)]