20681268

素因数分解:

$2^2\times 3^1\times {\mathrm{263}}^1\times {\mathrm{6553}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 48447168

約数和(自身を除く): 27765900

約数列:

[1, 2, 3, 4, 6, 12, 263, 526, 789, 1052, 1578, 3156, 6553, 13106, 19659, 26212, 39318, 78636, 1723439, 3446878, 5170317, 6893756, 10340634, 20681268]

約数ペア:

[(1, 20681268), (2, 10340634), (3, 6893756), (4, 5170317), (6, 3446878), (12, 1723439), (263, 78636), (526, 39318), (789, 26212), (1052, 19659), (1578, 13106), (3156, 6553)]