20802339

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{15107}}^1$

素因数の和:15136

約数の個数: 20

約数和(自身を含む): 32905224

約数和(自身を除く): 12102885

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 15107, 45321, 135963, 256819, 407889, 770457, 1223667, 2311371, 6934113, 20802339]

約数ペア:

[(1, 20802339), (3, 6934113), (9, 2311371), (17, 1223667), (27, 770457), (51, 407889), (81, 256819), (153, 135963), (459, 45321), (1377, 15107)]