20880532

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{73523}}^1$

素因数の和:73598

約数の個数: 12

約数和(自身を含む): 37056096

約数和(自身を除く): 16175564

約数列:

[1, 2, 4, 71, 142, 284, 73523, 147046, 294092, 5220133, 10440266, 20880532]

約数ペア:

[(1, 20880532), (2, 10440266), (4, 5220133), (71, 294092), (142, 147046), (284, 73523)]