20472981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9791}}^1$

素因数の和:9852

約数の個数: 16

約数和(自身を含む): 29611008

約数和(自身を除く): 9138027

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 9791, 29373, 166447, 401431, 499341, 1204293, 6824327, 20472981]

約数ペア:

[(1, 20472981), (3, 6824327), (17, 1204293), (41, 499341), (51, 401431), (123, 166447), (697, 29373), (2091, 9791)]