20781444

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5641}}^1$

素因数の和:5955

約数の個数: 24

約数和(自身を含む): 48656608

約数和(自身を除く): 27875164

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5641, 11282, 16923, 22564, 33846, 67692, 1731787, 3463574, 5195361, 6927148, 10390722, 20781444]

約数ペア:

[(1, 20781444), (2, 10390722), (3, 6927148), (4, 5195361), (6, 3463574), (12, 1731787), (307, 67692), (614, 33846), (921, 22564), (1228, 16923), (1842, 11282), (3684, 5641)]