20806832

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3343}}^1$

素因数の和:3740

約数の個数: 20

約数和(自身を含む): 40428960

約数和(自身を除く): 19622128

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3343, 6224, 6686, 13372, 26744, 53488, 1300427, 2600854, 5201708, 10403416, 20806832]

約数ペア:

[(1, 20806832), (2, 10403416), (4, 5201708), (8, 2600854), (16, 1300427), (389, 53488), (778, 26744), (1556, 13372), (3112, 6686), (3343, 6224)]