20591846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13183}}^1$

素因数の和:13267

約数の個数: 16

約数和(自身を含む): 34172928

約数和(自身を除く): 13581082

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13183, 26366, 145013, 290026, 935993, 1871986, 10295923, 20591846]

約数ペア:

[(1, 20591846), (2, 10295923), (11, 1871986), (22, 935993), (71, 290026), (142, 145013), (781, 26366), (1562, 13183)]