20673891

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1433}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 34301280

約数和(自身を除く): 13627389

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1433, 1603, 2061, 4299, 4809, 10031, 12897, 14427, 30093, 90279, 328157, 984471, 2297099, 2953413, 6891297, 20673891]

約数ペア:

[(1, 20673891), (3, 6891297), (7, 2953413), (9, 2297099), (21, 984471), (63, 328157), (229, 90279), (687, 30093), (1433, 14427), (1603, 12897), (2061, 10031), (4299, 4809)]