20929695021

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{1698701}}^1$

素因数の和:1698781

約数の個数: 18

約数和(自身を含む): 31070958282

約数和(自身を除く): 10141263261

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 12321, 1698701, 5096103, 15288309, 62851937, 188555811, 565667433, 2325521669, 6976565007, 20929695021]

約数ペア:

[(1, 20929695021), (3, 6976565007), (9, 2325521669), (37, 565667433), (111, 188555811), (333, 62851937), (1369, 15288309), (4107, 5096103), (12321, 1698701)]