20890617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1997}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 30497472

約数和(自身を除く): 9606855

約数列:

[1, 3, 11, 33, 317, 951, 1997, 3487, 5991, 10461, 21967, 65901, 633049, 1899147, 6963539, 20890617]

約数ペア:

[(1, 20890617), (3, 6963539), (11, 1899147), (33, 633049), (317, 65901), (951, 21967), (1997, 10461), (3487, 5991)]