20660045

素因数分解:

$5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2131}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 28449408

約数和(自身を除く): 7789363

約数列:

[1, 5, 7, 35, 277, 1385, 1939, 2131, 9695, 10655, 14917, 74585, 590287, 2951435, 4132009, 20660045]

約数ペア:

[(1, 20660045), (5, 4132009), (7, 2951435), (35, 590287), (277, 74585), (1385, 14917), (1939, 10655), (2131, 9695)]