20857343

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 23761920

約数和(自身を除く): 2904577

約数列:

[1, 13, 23, 79, 299, 883, 1027, 1817, 11479, 20309, 23621, 69757, 264017, 906841, 1604411, 20857343]

約数ペア:

[(1, 20857343), (13, 1604411), (23, 906841), (79, 264017), (299, 69757), (883, 23621), (1027, 20309), (1817, 11479)]