20268297

素因数分解:

$3^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{743}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 33581184

約数和(自身を除く): 13312887

約数列:

[1, 3, 7, 9, 21, 63, 433, 743, 1299, 2229, 3031, 3897, 5201, 6687, 9093, 15603, 27279, 46809, 321719, 965157, 2252033, 2895471, 6756099, 20268297]

約数ペア:

[(1, 20268297), (3, 6756099), (7, 2895471), (9, 2252033), (21, 965157), (63, 321719), (433, 46809), (743, 27279), (1299, 15603), (2229, 9093), (3031, 6687), (3897, 5201)]