20576880478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3710

約数の個数: 128

約数和(自身を含む): 42663739392

約数和(自身を除く): 22086858914

約数列:

[1, 2, 7, 11, 14, 17, 22, 31, 34, 62, 71, 77, 119, 142, 154, 187, 217, 238, 341, 374, 434, 497, 527, 682, 781, 994, 1054, 1207, 1309, 1562, 2201, 2387, 2414, 2618, 3571, 3689, 4402, 4774, 5467, 5797, 7142, 7378, 8449, 10934, 11594, 13277, 15407, 16898, 24211, 24997, 26554, 30814, 37417, 39281, 40579, 48422, 49994, 60707, 74834, 78562, 81158, 92939, 110701, 121414, 169477, 185878, 221402, 253541, 261919, 274967, 338954, 411587, 424949, 507082, 523838, 549934, 667777, 774907, 823174, 849898, 1217711, 1335554, 1549814, 1774787, 1881917, 2435422, 2788951, 2881109, 3549574, 3763834, 4310197, 4674439, 5577902, 5762218, 7859771, 8523977, 8620394, 9348878, 13173419, 15719542, 17047954, 19522657, 20701087, 26346838, 30171379, 39045314, 41402174, 47412167, 55018397, 60342758, 86457481, 94824334, 110036794, 133616107, 144907609, 172914962, 267232214, 289815218, 331885169, 605202367, 663770338, 935312749, 1210404734, 1469777177, 1870625498, 2939554354, 10288440239, 20576880478]

約数ペア:

[(1, 20576880478), (2, 10288440239), (7, 2939554354), (11, 1870625498), (14, 1469777177), (17, 1210404734), (22, 935312749), (31, 663770338), (34, 605202367), (62, 331885169), (71, 289815218), (77, 267232214), (119, 172914962), (142, 144907609), (154, 133616107), (187, 110036794), (217, 94824334), (238, 86457481), (341, 60342758), (374, 55018397), (434, 47412167), (497, 41402174), (527, 39045314), (682, 30171379), (781, 26346838), (994, 20701087), (1054, 19522657), (1207, 17047954), (1309, 15719542), (1562, 13173419), (2201, 9348878), (2387, 8620394), (2414, 8523977), (2618, 7859771), (3571, 5762218), (3689, 5577902), (4402, 4674439), (4774, 4310197), (5467, 3763834), (5797, 3549574), (7142, 2881109), (7378, 2788951), (8449, 2435422), (10934, 1881917), (11594, 1774787), (13277, 1549814), (15407, 1335554), (16898, 1217711), (24211, 849898), (24997, 823174), (26554, 774907), (30814, 667777), (37417, 549934), (39281, 523838), (40579, 507082), (48422, 424949), (49994, 411587), (60707, 338954), (74834, 274967), (78562, 261919), (81158, 253541), (92939, 221402), (110701, 185878), (121414, 169477)]