20473684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6043}}^1$

素因数の和:6076

約数の個数: 36

約数和(自身を含む): 45015712

約数和(自身を除く): 24542028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6043, 12086, 24172, 42301, 66473, 84602, 132946, 169204, 265892, 465311, 731203, 930622, 1462406, 1861244, 2924812, 5118421, 10236842, 20473684]

約数ペア:

[(1, 20473684), (2, 10236842), (4, 5118421), (7, 2924812), (11, 1861244), (14, 1462406), (22, 930622), (28, 731203), (44, 465311), (77, 265892), (121, 169204), (154, 132946), (242, 84602), (308, 66473), (484, 42301), (847, 24172), (1694, 12086), (3388, 6043)]