20938676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475879}}^1$

素因数の和:475894

約数の個数: 12

約数和(自身を含む): 39973920

約数和(自身を除く): 19035244

約数列:

[1, 2, 4, 11, 22, 44, 475879, 951758, 1903516, 5234669, 10469338, 20938676]

約数ペア:

[(1, 20938676), (2, 10469338), (4, 5234669), (11, 1903516), (22, 951758), (44, 475879)]