20512222017

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22715639}}^1$

素因数の和:22715692

約数の個数: 16

約数和(自身を含む): 31983621120

約数和(自身を除く): 11471399103

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22715639, 68146917, 159009473, 477028419, 976772477, 2930317431, 6837407339, 20512222017]

約数ペア:

[(1, 20512222017), (3, 6837407339), (7, 2930317431), (21, 976772477), (43, 477028419), (129, 159009473), (301, 68146917), (903, 22715639)]