20936828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475837}}^1$

素因数の和:475852

約数の個数: 12

約数和(自身を含む): 39970392

約数和(自身を除く): 19033564

約数列:

[1, 2, 4, 11, 22, 44, 475837, 951674, 1903348, 5234207, 10468414, 20936828]

約数ペア:

[(1, 20936828), (2, 10468414), (4, 5234207), (11, 1903348), (22, 951674), (44, 475837)]