20388038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2111}}^1$

素因数の和:2563

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 13066042

約数列:

[1, 2, 11, 22, 439, 878, 2111, 4222, 4829, 9658, 23221, 46442, 926729, 1853458, 10194019, 20388038]

約数ペア:

[(1, 20388038), (2, 10194019), (11, 1853458), (22, 926729), (439, 46442), (878, 23221), (2111, 9658), (4222, 4829)]