20015415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63541}}^1$

素因数の和:63559

約数の個数: 24

約数和(自身を含む): 39650208

約数和(自身を除く): 19634793

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63541, 190623, 317705, 444787, 571869, 953115, 1334361, 2223935, 2859345, 4003083, 6671805, 20015415]

約数ペア:

[(1, 20015415), (3, 6671805), (5, 4003083), (7, 2859345), (9, 2223935), (15, 1334361), (21, 953115), (35, 571869), (45, 444787), (63, 317705), (105, 190623), (315, 63541)]