20397576

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{3307}}^1$

素因数の和:3573

約数の個数: 32

約数和(自身を含む): 51207840

約数和(自身を除く): 30810264

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 3307, 6168, 6614, 9921, 13228, 19842, 26456, 39684, 79368, 849899, 1699798, 2549697, 3399596, 5099394, 6799192, 10198788, 20397576]

約数ペア:

[(1, 20397576), (2, 10198788), (3, 6799192), (4, 5099394), (6, 3399596), (8, 2549697), (12, 1699798), (24, 849899), (257, 79368), (514, 39684), (771, 26456), (1028, 19842), (1542, 13228), (2056, 9921), (3084, 6614), (3307, 6168)]