20081912427

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31427093}}^1$

素因数の和:31427170

約数の個数: 12

約数和(自身を含む): 29415759984

約数和(自身を除く): 9333847557

約数列:

[1, 3, 9, 71, 213, 639, 31427093, 94281279, 282843837, 2231323603, 6693970809, 20081912427]

約数ペア:

[(1, 20081912427), (3, 6693970809), (9, 2231323603), (71, 282843837), (213, 94281279), (639, 31427093)]