20939908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{475907}}^1$

素因数の和:475922

約数の個数: 12

約数和(自身を含む): 39976272

約数和(自身を除く): 19036364

約数列:

[1, 2, 4, 11, 22, 44, 475907, 951814, 1903628, 5234977, 10469954, 20939908]

約数ペア:

[(1, 20939908), (2, 10469954), (4, 5234977), (11, 1903628), (22, 951814), (44, 475907)]