20199787479

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10537187}}^1$

素因数の和:10537267

約数の個数: 16

約数和(自身を含む): 30347101440

約数和(自身を除く): 10147313961

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10537187, 31611561, 94834683, 284504049, 748140277, 2244420831, 6733262493, 20199787479]

約数ペア:

[(1, 20199787479), (3, 6733262493), (9, 2244420831), (27, 748140277), (71, 284504049), (213, 94834683), (639, 31611561), (1917, 10537187)]