20943604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475991}}^1$

素因数の和:476006

約数の個数: 12

約数和(自身を含む): 39983328

約数和(自身を除く): 19039724

約数列:

[1, 2, 4, 11, 22, 44, 475991, 951982, 1903964, 5235901, 10471802, 20943604]

約数ペア:

[(1, 20943604), (2, 10471802), (4, 5235901), (11, 1903964), (22, 951982), (44, 475991)]