20544216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11117}}^1$

素因数の和:11144

約数の個数: 64

約数和(自身を含む): 64039680

約数和(自身を除く): 43495464

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11117, 22234, 33351, 44468, 66702, 77819, 88936, 122287, 133404, 155638, 233457, 244574, 266808, 311276, 366861, 466914, 489148, 622552, 733722, 856009, 933828, 978296, 1467444, 1712018, 1867656, 2568027, 2934888, 3424036, 5136054, 6848072, 10272108, 20544216]

約数ペア:

[(1, 20544216), (2, 10272108), (3, 6848072), (4, 5136054), (6, 3424036), (7, 2934888), (8, 2568027), (11, 1867656), (12, 1712018), (14, 1467444), (21, 978296), (22, 933828), (24, 856009), (28, 733722), (33, 622552), (42, 489148), (44, 466914), (56, 366861), (66, 311276), (77, 266808), (84, 244574), (88, 233457), (132, 155638), (154, 133404), (168, 122287), (231, 88936), (264, 77819), (308, 66702), (462, 44468), (616, 33351), (924, 22234), (1848, 11117)]