20797264624

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{30763}}^1$

素因数の和:30878

約数の個数: 80

約数和(自身を含む): 43945758720

約数和(自身を除く): 23148494096

約数列:

[1, 2, 4, 8, 16, 29, 31, 47, 58, 62, 94, 116, 124, 188, 232, 248, 376, 464, 496, 752, 899, 1363, 1457, 1798, 2726, 2914, 3596, 5452, 5828, 7192, 10904, 11656, 14384, 21808, 23312, 30763, 42253, 61526, 84506, 123052, 169012, 246104, 338024, 492208, 676048, 892127, 953653, 1445861, 1784254, 1907306, 2891722, 3568508, 3814612, 5783444, 7137016, 7629224, 11566888, 14274032, 15258448, 23133776, 27655937, 41929969, 44821691, 55311874, 83859938, 89643382, 110623748, 167719876, 179286764, 221247496, 335439752, 358573528, 442494992, 670879504, 717147056, 1299829039, 2599658078, 5199316156, 10398632312, 20797264624]

約数ペア:

[(1, 20797264624), (2, 10398632312), (4, 5199316156), (8, 2599658078), (16, 1299829039), (29, 717147056), (31, 670879504), (47, 442494992), (58, 358573528), (62, 335439752), (94, 221247496), (116, 179286764), (124, 167719876), (188, 110623748), (232, 89643382), (248, 83859938), (376, 55311874), (464, 44821691), (496, 41929969), (752, 27655937), (899, 23133776), (1363, 15258448), (1457, 14274032), (1798, 11566888), (2726, 7629224), (2914, 7137016), (3596, 5783444), (5452, 3814612), (5828, 3568508), (7192, 2891722), (10904, 1907306), (11656, 1784254), (14384, 1445861), (21808, 953653), (23312, 892127), (30763, 676048), (42253, 492208), (61526, 338024), (84506, 246104), (123052, 169012)]