20816862

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{315407}}^1$

素因数の和:315423

約数の個数: 16

約数和(自身を含む): 45418752

約数和(自身を除く): 24601890

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 315407, 630814, 946221, 1892442, 3469477, 6938954, 10408431, 20816862]

約数ペア:

[(1, 20816862), (2, 10408431), (3, 6938954), (6, 3469477), (11, 1892442), (22, 946221), (33, 630814), (66, 315407)]