20934851

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 24693504

約数和(自身を除く): 3758653

約数列:

[1, 7, 43, 157, 301, 443, 1099, 3101, 6751, 19049, 47257, 69551, 133343, 486857, 2990693, 20934851]

約数ペア:

[(1, 20934851), (7, 2990693), (43, 486857), (157, 133343), (301, 69551), (443, 47257), (1099, 19049), (3101, 6751)]