20627740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{147341}}^1$

素因数の和:147357

約数の個数: 24

約数和(自身を含む): 49506912

約数和(自身を除く): 28879172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 147341, 294682, 589364, 736705, 1031387, 1473410, 2062774, 2946820, 4125548, 5156935, 10313870, 20627740]

約数ペア:

[(1, 20627740), (2, 10313870), (4, 5156935), (5, 4125548), (7, 2946820), (10, 2062774), (14, 1473410), (20, 1031387), (28, 736705), (35, 589364), (70, 294682), (140, 147341)]