20339816

素因数分解:

$2^3\times 7^1\times {\mathrm{363211}}^1$

素因数の和:363224

約数の個数: 16

約数和(自身を含む): 43585440

約数和(自身を除く): 23245624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 363211, 726422, 1452844, 2542477, 2905688, 5084954, 10169908, 20339816]

約数ペア:

[(1, 20339816), (2, 10169908), (4, 5084954), (7, 2905688), (8, 2542477), (14, 1452844), (28, 726422), (56, 363211)]