20090972169

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31441271}}^1$

素因数の和:31441348

約数の個数: 12

約数和(自身を含む): 29429030592

約数和(自身を除く): 9338058423

約数列:

[1, 3, 9, 71, 213, 639, 31441271, 94323813, 282971439, 2232330241, 6696990723, 20090972169]

約数ペア:

[(1, 20090972169), (3, 6696990723), (9, 2232330241), (71, 282971439), (213, 94323813), (639, 31441271)]