20781996

素因数分解:

$2^2\times 3^1\times {\mathrm{1187}}^1\times {\mathrm{1459}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 48565440

約数和(自身を除く): 27783444

約数列:

[1, 2, 3, 4, 6, 12, 1187, 1459, 2374, 2918, 3561, 4377, 4748, 5836, 7122, 8754, 14244, 17508, 1731833, 3463666, 5195499, 6927332, 10390998, 20781996]

約数ペア:

[(1, 20781996), (2, 10390998), (3, 6927332), (4, 5195499), (6, 3463666), (12, 1731833), (1187, 17508), (1459, 14244), (2374, 8754), (2918, 7122), (3561, 5836), (4377, 4748)]