20970351

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{43963}}^1$

素因数の和:44022

約数の個数: 12

約数和(自身を含む): 30862728

約数和(自身を除く): 9892377

約数列:

[1, 3, 9, 53, 159, 477, 43963, 131889, 395667, 2330039, 6990117, 20970351]

約数ペア:

[(1, 20970351), (3, 6990117), (9, 2330039), (53, 395667), (159, 131889), (477, 43963)]