20475351

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{175003}}^1$

素因数の和:175022

約数の個数: 12

約数和(自身を含む): 31850728

約数和(自身を除く): 11375377

約数列:

[1, 3, 9, 13, 39, 117, 175003, 525009, 1575027, 2275039, 6825117, 20475351]

約数ペア:

[(1, 20475351), (3, 6825117), (9, 2275039), (13, 1575027), (39, 525009), (117, 175003)]