20059985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 26889408

約数和(自身を除く): 6829423

約数列:

[1, 5, 11, 55, 71, 121, 355, 467, 605, 781, 2335, 3905, 5137, 8591, 25685, 33157, 42955, 56507, 165785, 282535, 364727, 1823635, 4011997, 20059985]

約数ペア:

[(1, 20059985), (5, 4011997), (11, 1823635), (55, 364727), (71, 282535), (121, 165785), (355, 56507), (467, 42955), (605, 33157), (781, 25685), (2335, 8591), (3905, 5137)]