20882905960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{221311}}^1$

素因数の和:221666

約数の個数: 64

約数和(自身を含む): 53858488320

約数和(自身を除く): 32975582360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2359, 2696, 3370, 4718, 6740, 9436, 11795, 13480, 18872, 23590, 47180, 94360, 221311, 442622, 885244, 1106555, 1549177, 1770488, 2213110, 3098354, 4426220, 6196708, 7745885, 8852440, 12393416, 15491770, 30983540, 61967080, 74581807, 149163614, 298327228, 372909035, 522072649, 596654456, 745818070, 1044145298, 1491636140, 2088290596, 2610363245, 2983272280, 4176581192, 5220726490, 10441452980, 20882905960]

約数ペア:

[(1, 20882905960), (2, 10441452980), (4, 5220726490), (5, 4176581192), (7, 2983272280), (8, 2610363245), (10, 2088290596), (14, 1491636140), (20, 1044145298), (28, 745818070), (35, 596654456), (40, 522072649), (56, 372909035), (70, 298327228), (140, 149163614), (280, 74581807), (337, 61967080), (674, 30983540), (1348, 15491770), (1685, 12393416), (2359, 8852440), (2696, 7745885), (3370, 6196708), (4718, 4426220), (6740, 3098354), (9436, 2213110), (11795, 1770488), (13480, 1549177), (18872, 1106555), (23590, 885244), (47180, 442622), (94360, 221311)]