20727243

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 30700800

約数和(自身を除く): 9973557

約数列:

[1, 3, 9, 71, 163, 199, 213, 489, 597, 639, 1467, 1791, 11573, 14129, 32437, 34719, 42387, 97311, 104157, 127161, 291933, 2303027, 6909081, 20727243]

約数ペア:

[(1, 20727243), (3, 6909081), (9, 2303027), (71, 291933), (163, 127161), (199, 104157), (213, 97311), (489, 42387), (597, 34719), (639, 32437), (1467, 14129), (1791, 11573)]