20459959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 23883552

約数和(自身を除く): 3423593

約数列:

[1, 13, 17, 43, 221, 559, 731, 2153, 9503, 27989, 36601, 92579, 475813, 1203527, 1573843, 20459959]

約数ペア:

[(1, 20459959), (13, 1573843), (17, 1203527), (43, 475813), (221, 92579), (559, 36601), (731, 27989), (2153, 9503)]