20440521

素因数分解:

$3^2\times {\mathrm{971}}^1\times {\mathrm{2339}}^1$

素因数の和:3316

約数の個数: 12

約数和(自身を含む): 29568240

約数和(自身を除く): 9127719

約数列:

[1, 3, 9, 971, 2339, 2913, 7017, 8739, 21051, 2271169, 6813507, 20440521]

約数ペア:

[(1, 20440521), (3, 6813507), (9, 2271169), (971, 21051), (2339, 8739), (2913, 7017)]