20173935897

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{863}}^1\times {\mathrm{7039}}^1$

素因数の和:7955

約数の個数: 40

約数和(自身を含む): 30911569920

約数和(自身を除く): 10737634023

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 863, 1107, 2589, 3321, 7039, 7767, 21117, 23301, 35383, 63351, 69903, 106149, 190053, 288599, 318447, 570159, 865797, 955341, 2597391, 2866023, 6074657, 7792173, 18223971, 23376519, 54671913, 164015739, 249060937, 492047217, 747182811, 2241548433, 6724645299, 20173935897]

約数ペア:

[(1, 20173935897), (3, 6724645299), (9, 2241548433), (27, 747182811), (41, 492047217), (81, 249060937), (123, 164015739), (369, 54671913), (863, 23376519), (1107, 18223971), (2589, 7792173), (3321, 6074657), (7039, 2866023), (7767, 2597391), (21117, 955341), (23301, 865797), (35383, 570159), (63351, 318447), (69903, 288599), (106149, 190053)]