20004489

素因数分解:

$3^8\times {\mathrm{3049}}^1$

素因数の和:3073

約数の個数: 18

約数和(自身を含む): 30015050

約数和(自身を除く): 10010561

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 3049, 6561, 9147, 27441, 82323, 246969, 740907, 2222721, 6668163, 20004489]

約数ペア:

[(1, 20004489), (3, 6668163), (9, 2222721), (27, 740907), (81, 246969), (243, 82323), (729, 27441), (2187, 9147), (3049, 6561)]