20014687

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 25805952

約数和(自身を除く): 5791265

約数列:

[1, 7, 11, 49, 71, 77, 497, 523, 539, 781, 3479, 3661, 5467, 5753, 25627, 37133, 38269, 40271, 259931, 281897, 408463, 1819517, 2859241, 20014687]

約数ペア:

[(1, 20014687), (7, 2859241), (11, 1819517), (49, 408463), (71, 281897), (77, 259931), (497, 40271), (523, 38269), (539, 37133), (781, 25627), (3479, 5753), (3661, 5467)]