20487973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 23310720

約数和(自身を除く): 2822747

約数列:

[1, 11, 37, 71, 407, 709, 781, 2627, 7799, 26233, 28897, 50339, 288563, 553729, 1862543, 20487973]

約数ペア:

[(1, 20487973), (11, 1862543), (37, 553729), (71, 288563), (407, 50339), (709, 28897), (781, 26233), (2627, 7799)]