20986383

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{15511}}^1$

素因数の和:15566

約数の個数: 16

約数和(自身を含む): 31272192

約数和(自身を除く): 10285809

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 15511, 46533, 170621, 511863, 635951, 1907853, 6995461, 20986383]

約数ペア:

[(1, 20986383), (3, 6995461), (11, 1907853), (33, 635951), (41, 511863), (123, 170621), (451, 46533), (1353, 15511)]