20640933

素因数分解:

$3^3\times {\mathrm{467}}^1\times {\mathrm{1637}}^1$

素因数の和:2113

約数の個数: 16

約数和(自身を含む): 30663360

約数和(自身を除く): 10022427

約数列:

[1, 3, 9, 27, 467, 1401, 1637, 4203, 4911, 12609, 14733, 44199, 764479, 2293437, 6880311, 20640933]

約数ペア:

[(1, 20640933), (3, 6880311), (9, 2293437), (27, 764479), (467, 44199), (1401, 14733), (1637, 12609), (4203, 4911)]