20182742440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{246011}}^1$

素因数の和:246322

約数の個数: 64

約数和(自身を含む): 52075820160

約数和(自身を除く): 31893077720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 1172, 1465, 2051, 2344, 2930, 4102, 5860, 8204, 10255, 11720, 16408, 20510, 41020, 82040, 246011, 492022, 984044, 1230055, 1722077, 1968088, 2460110, 3444154, 4920220, 6888308, 8610385, 9840440, 13776616, 17220770, 34441540, 68883080, 72081223, 144162446, 288324892, 360406115, 504568561, 576649784, 720812230, 1009137122, 1441624460, 2018274244, 2522842805, 2883248920, 4036548488, 5045685610, 10091371220, 20182742440]

約数ペア:

[(1, 20182742440), (2, 10091371220), (4, 5045685610), (5, 4036548488), (7, 2883248920), (8, 2522842805), (10, 2018274244), (14, 1441624460), (20, 1009137122), (28, 720812230), (35, 576649784), (40, 504568561), (56, 360406115), (70, 288324892), (140, 144162446), (280, 72081223), (293, 68883080), (586, 34441540), (1172, 17220770), (1465, 13776616), (2051, 9840440), (2344, 8610385), (2930, 6888308), (4102, 4920220), (5860, 3444154), (8204, 2460110), (10255, 1968088), (11720, 1722077), (16408, 1230055), (20510, 984044), (41020, 492022), (82040, 246011)]