20983193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3733}}^1$

素因数の和:3824

約数の個数: 16

約数和(自身を含む): 26526336

約数和(自身を除く): 5543143

約数列:

[1, 7, 11, 73, 77, 511, 803, 3733, 5621, 26131, 41063, 272509, 287441, 1907563, 2997599, 20983193]

約数ペア:

[(1, 20983193), (7, 2997599), (11, 1907563), (73, 287441), (77, 272509), (511, 41063), (803, 26131), (3733, 5621)]