20005969691

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{128021}}^1$

素因数の和:128194

約数の個数: 12

約数和(自身を含む): 20946447552

約数和(自身を除く): 940477861

約数列:

[1, 31, 71, 2201, 5041, 128021, 156271, 3968651, 9089491, 281774221, 645353861, 20005969691]

約数ペア:

[(1, 20005969691), (31, 645353861), (71, 281774221), (2201, 9089491), (5041, 3968651), (128021, 156271)]