20538672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5586

約数の個数: 80

約数和(自身を含む): 66162432

約数和(自身を除く): 45623760

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 132, 154, 168, 176, 231, 264, 308, 336, 462, 528, 616, 924, 1232, 1848, 3696, 5557, 11114, 16671, 22228, 33342, 38899, 44456, 61127, 66684, 77798, 88912, 116697, 122254, 133368, 155596, 183381, 233394, 244508, 266736, 311192, 366762, 427889, 466788, 489016, 622384, 733524, 855778, 933576, 978032, 1283667, 1467048, 1711556, 1867152, 2567334, 2934096, 3423112, 5134668, 6846224, 10269336, 20538672]

約数ペア:

[(1, 20538672), (2, 10269336), (3, 6846224), (4, 5134668), (6, 3423112), (7, 2934096), (8, 2567334), (11, 1867152), (12, 1711556), (14, 1467048), (16, 1283667), (21, 978032), (22, 933576), (24, 855778), (28, 733524), (33, 622384), (42, 489016), (44, 466788), (48, 427889), (56, 366762), (66, 311192), (77, 266736), (84, 244508), (88, 233394), (112, 183381), (132, 155596), (154, 133368), (168, 122254), (176, 116697), (231, 88912), (264, 77798), (308, 66684), (336, 61127), (462, 44456), (528, 38899), (616, 33342), (924, 22228), (1232, 16671), (1848, 11114), (3696, 5557)]