20511099

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1543}}^1$

素因数の和:1767

約数の個数: 24

約数和(自身を含む): 34042112

約数和(自身を除く): 13531013

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1543, 1899, 4431, 4629, 10801, 13293, 13887, 32403, 97209, 325573, 976719, 2279011, 2930157, 6837033, 20511099]

約数ペア:

[(1, 20511099), (3, 6837033), (7, 2930157), (9, 2279011), (21, 976719), (63, 325573), (211, 97209), (633, 32403), (1477, 13887), (1543, 13293), (1899, 10801), (4431, 4629)]