20724003

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7129}}^1$

素因数の和:7171

約数の個数: 24

約数和(自身を含む): 33368400

約数和(自身を除く): 12644397

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 7129, 21387, 64161, 121193, 135451, 363579, 406353, 1090737, 1219059, 2302667, 6908001, 20724003]

約数ペア:

[(1, 20724003), (3, 6908001), (9, 2302667), (17, 1219059), (19, 1090737), (51, 406353), (57, 363579), (153, 135451), (171, 121193), (323, 64161), (969, 21387), (2907, 7129)]