20630456

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 48833280

約数和(自身を除く): 28202824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 107, 154, 214, 308, 313, 428, 616, 626, 749, 856, 1177, 1252, 1498, 2191, 2354, 2504, 2996, 3443, 4382, 4708, 5992, 6886, 8239, 8764, 9416, 13772, 16478, 17528, 24101, 27544, 32956, 33491, 48202, 65912, 66982, 96404, 133964, 192808, 234437, 267928, 368401, 468874, 736802, 937748, 1473604, 1875496, 2578807, 2947208, 5157614, 10315228, 20630456]

約数ペア:

[(1, 20630456), (2, 10315228), (4, 5157614), (7, 2947208), (8, 2578807), (11, 1875496), (14, 1473604), (22, 937748), (28, 736802), (44, 468874), (56, 368401), (77, 267928), (88, 234437), (107, 192808), (154, 133964), (214, 96404), (308, 66982), (313, 65912), (428, 48202), (616, 33491), (626, 32956), (749, 27544), (856, 24101), (1177, 17528), (1252, 16478), (1498, 13772), (2191, 9416), (2354, 8764), (2504, 8239), (2996, 6886), (3443, 5992), (4382, 4708)]