20457579

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{5987}}^1$

素因数の和:6074

約数の個数: 16

約数和(自身を含む): 29317248

約数和(自身を除く): 8859669

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 5987, 17961, 101779, 305337, 401129, 1203387, 6819193, 20457579]

約数ペア:

[(1, 20457579), (3, 6819193), (17, 1203387), (51, 401129), (67, 305337), (201, 101779), (1139, 17961), (3417, 5987)]