20575464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9421}}^1$

素因数の和:9450

約数の個数: 64

約数和(自身を含む): 63315840

約数和(自身を除く): 42740376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9421, 18842, 28263, 37684, 56526, 65947, 75368, 113052, 122473, 131894, 197841, 226104, 244946, 263788, 367419, 395682, 489892, 527576, 734838, 791364, 857311, 979784, 1469676, 1582728, 1714622, 2571933, 2939352, 3429244, 5143866, 6858488, 10287732, 20575464]

約数ペア:

[(1, 20575464), (2, 10287732), (3, 6858488), (4, 5143866), (6, 3429244), (7, 2939352), (8, 2571933), (12, 1714622), (13, 1582728), (14, 1469676), (21, 979784), (24, 857311), (26, 791364), (28, 734838), (39, 527576), (42, 489892), (52, 395682), (56, 367419), (78, 263788), (84, 244946), (91, 226104), (104, 197841), (156, 131894), (168, 122473), (182, 113052), (273, 75368), (312, 65947), (364, 56526), (546, 37684), (728, 28263), (1092, 18842), (2184, 9421)]