20998262

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{1307}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 32726160

約数和(自身を除く): 11727898

約数列:

[1, 2, 29, 58, 277, 554, 1307, 2614, 8033, 16066, 37903, 75806, 362039, 724078, 10499131, 20998262]

約数ペア:

[(1, 20998262), (2, 10499131), (29, 724078), (58, 362039), (277, 75806), (554, 37903), (1307, 16066), (2614, 8033)]