20315503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23194080

約数和(自身を除く): 2878577

約数列:

[1, 13, 19, 233, 247, 353, 3029, 4427, 4589, 6707, 57551, 82249, 87191, 1069237, 1562731, 20315503]

約数ペア:

[(1, 20315503), (13, 1562731), (19, 1069237), (233, 87191), (247, 82249), (353, 57551), (3029, 6707), (4427, 4589)]