20050667

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1047

約数の個数: 24

約数和(自身を含む): 26299296

約数和(自身を除く): 6248629

約数列:

[1, 7, 13, 17, 91, 119, 169, 221, 997, 1183, 1547, 2873, 6979, 12961, 16949, 20111, 90727, 118643, 168493, 220337, 1179451, 1542359, 2864381, 20050667]

約数ペア:

[(1, 20050667), (7, 2864381), (13, 1542359), (17, 1179451), (91, 220337), (119, 168493), (169, 118643), (221, 90727), (997, 20111), (1183, 16949), (1547, 12961), (2873, 6979)]