20178068481

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{30712433}}^1$

素因数の和:30712512

約数の個数: 12

約数和(自身を含む): 29545361508

約数和(自身を除く): 9367293027

約数列:

[1, 3, 9, 73, 219, 657, 30712433, 92137299, 276411897, 2242007609, 6726022827, 20178068481]

約数ペア:

[(1, 20178068481), (3, 6726022827), (9, 2242007609), (73, 276411897), (219, 92137299), (657, 30712433)]