20635167

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4657}}^1$

素因数の和:4878

約数の個数: 16

約数和(自身を含む): 31599872

約数和(自身を除く): 10964705

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 4657, 13971, 32599, 97797, 982627, 2947881, 6878389, 20635167]

約数ペア:

[(1, 20635167), (3, 6878389), (7, 2947881), (21, 982627), (211, 97797), (633, 32599), (1477, 13971), (4431, 4657)]