20778957574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:518

約数の個数: 128

約数和(自身を含む): 37772697600

約数和(自身を除く): 16993740026

約数列:

[1, 2, 17, 19, 23, 31, 34, 38, 46, 62, 197, 229, 323, 391, 394, 437, 458, 527, 589, 646, 713, 782, 874, 1054, 1178, 1426, 3349, 3743, 3893, 4351, 4531, 5267, 6107, 6698, 7099, 7429, 7486, 7786, 8702, 9062, 10013, 10534, 12121, 12214, 13547, 14198, 14858, 20026, 24242, 27094, 45113, 63631, 73967, 77027, 86089, 89539, 90226, 100073, 103819, 116033, 120683, 127262, 134881, 140461, 147934, 154054, 163277, 172178, 179078, 200146, 207638, 230299, 232066, 241366, 269762, 280922, 326554, 460598, 766921, 857147, 1037599, 1398503, 1463513, 1533842, 1701241, 1714294, 1972561, 2075198, 2292977, 2387837, 2668759, 2775709, 2797006, 2927026, 3102263, 3402482, 3945122, 4585954, 4775674, 5337518, 5551418, 6204526, 14571499, 17639183, 19714381, 23774551, 26571557, 29142998, 32165569, 35278366, 39428762, 45368903, 47549102, 52738471, 53143114, 64331138, 90737806, 105476942, 335144477, 451716469, 546814673, 611145811, 670288954, 903432938, 1093629346, 1222291622, 10389478787, 20778957574]

約数ペア:

[(1, 20778957574), (2, 10389478787), (17, 1222291622), (19, 1093629346), (23, 903432938), (31, 670288954), (34, 611145811), (38, 546814673), (46, 451716469), (62, 335144477), (197, 105476942), (229, 90737806), (323, 64331138), (391, 53143114), (394, 52738471), (437, 47549102), (458, 45368903), (527, 39428762), (589, 35278366), (646, 32165569), (713, 29142998), (782, 26571557), (874, 23774551), (1054, 19714381), (1178, 17639183), (1426, 14571499), (3349, 6204526), (3743, 5551418), (3893, 5337518), (4351, 4775674), (4531, 4585954), (5267, 3945122), (6107, 3402482), (6698, 3102263), (7099, 2927026), (7429, 2797006), (7486, 2775709), (7786, 2668759), (8702, 2387837), (9062, 2292977), (10013, 2075198), (10534, 1972561), (12121, 1714294), (12214, 1701241), (13547, 1533842), (14198, 1463513), (14858, 1398503), (20026, 1037599), (24242, 857147), (27094, 766921), (45113, 460598), (63631, 326554), (73967, 280922), (77027, 269762), (86089, 241366), (89539, 232066), (90226, 230299), (100073, 207638), (103819, 200146), (116033, 179078), (120683, 172178), (127262, 163277), (134881, 154054), (140461, 147934)]