20131553

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1384

約数の個数: 16

約数和(自身を含む): 23296896

約数和(自身を除く): 3165343

約数列:

[1, 13, 17, 71, 221, 923, 1207, 1283, 15691, 16679, 21811, 91093, 283543, 1184209, 1548581, 20131553]

約数ペア:

[(1, 20131553), (13, 1548581), (17, 1184209), (71, 283543), (221, 91093), (923, 21811), (1207, 16679), (1283, 15691)]