20348857989

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{482189}}^1$

素因数の和:482722

約数の個数: 20

約数和(自身を含む): 30456084780

約数和(自身を除く): 10107226791

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 482189, 1446567, 4339701, 13019103, 39057309, 251220469, 753661407, 2260984221, 6782952663, 20348857989]

約数ペア:

[(1, 20348857989), (3, 6782952663), (9, 2260984221), (27, 753661407), (81, 251220469), (521, 39057309), (1563, 13019103), (4689, 4339701), (14067, 1446567), (42201, 482189)]