20341439675

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1\times {\mathrm{3307}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 27444305952

約数和(自身を除く): 7102866277

約数列:

[1, 5, 17, 25, 41, 85, 205, 353, 425, 697, 1025, 1765, 3307, 3485, 6001, 8825, 14473, 16535, 17425, 30005, 56219, 72365, 82675, 135587, 150025, 246041, 281095, 361825, 677935, 1167371, 1230205, 1405475, 2304979, 3389675, 5836855, 6151025, 11524895, 19845307, 29184275, 47862211, 57624475, 99226535, 239311055, 496132675, 813657587, 1196555275, 4068287935, 20341439675]

約数ペア:

[(1, 20341439675), (5, 4068287935), (17, 1196555275), (25, 813657587), (41, 496132675), (85, 239311055), (205, 99226535), (353, 57624475), (425, 47862211), (697, 29184275), (1025, 19845307), (1765, 11524895), (3307, 6151025), (3485, 5836855), (6001, 3389675), (8825, 2304979), (14473, 1405475), (16535, 1230205), (17425, 1167371), (30005, 677935), (56219, 361825), (72365, 281095), (82675, 246041), (135587, 150025)]