20504898

素因数分解:

$2^1\times 3^2\times {\mathrm{1009}}^1\times {\mathrm{1129}}^1$

素因数の和:2146

約数の個数: 24

約数和(自身を含む): 44510700

約数和(自身を除く): 24005802

約数列:

[1, 2, 3, 6, 9, 18, 1009, 1129, 2018, 2258, 3027, 3387, 6054, 6774, 9081, 10161, 18162, 20322, 1139161, 2278322, 3417483, 6834966, 10252449, 20504898]

約数ペア:

[(1, 20504898), (2, 10252449), (3, 6834966), (6, 3417483), (9, 2278322), (18, 1139161), (1009, 20322), (1129, 18162), (2018, 10161), (2258, 9081), (3027, 6774), (3387, 6054)]