20287788

素因数分解:

$2^2\times 3^1\times {\mathrm{307}}^1\times {\mathrm{5507}}^1$

素因数の和:5821

約数の個数: 24

約数和(自身を含む): 47500992

約数和(自身を除く): 27213204

約数列:

[1, 2, 3, 4, 6, 12, 307, 614, 921, 1228, 1842, 3684, 5507, 11014, 16521, 22028, 33042, 66084, 1690649, 3381298, 5071947, 6762596, 10143894, 20287788]

約数ペア:

[(1, 20287788), (2, 10143894), (3, 6762596), (4, 5071947), (6, 3381298), (12, 1690649), (307, 66084), (614, 33042), (921, 22028), (1228, 16521), (1842, 11014), (3684, 5507)]