20800416

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2381}}^1$

素因数の和:2414

約数の個数: 96

約数和(自身を含む): 67229568

約数和(自身を除く): 46429152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2184, 2381, 2912, 4368, 4762, 7143, 8736, 9524, 14286, 16667, 19048, 28572, 30953, 33334, 38096, 50001, 57144, 61906, 66668, 76192, 92859, 100002, 114288, 123812, 133336, 185718, 200004, 216671, 228576, 247624, 266672, 371436, 400008, 433342, 495248, 533344, 650013, 742872, 800016, 866684, 990496, 1300026, 1485744, 1600032, 1733368, 2600052, 2971488, 3466736, 5200104, 6933472, 10400208, 20800416]

約数ペア:

[(1, 20800416), (2, 10400208), (3, 6933472), (4, 5200104), (6, 3466736), (7, 2971488), (8, 2600052), (12, 1733368), (13, 1600032), (14, 1485744), (16, 1300026), (21, 990496), (24, 866684), (26, 800016), (28, 742872), (32, 650013), (39, 533344), (42, 495248), (48, 433342), (52, 400008), (56, 371436), (78, 266672), (84, 247624), (91, 228576), (96, 216671), (104, 200004), (112, 185718), (156, 133336), (168, 123812), (182, 114288), (208, 100002), (224, 92859), (273, 76192), (312, 66668), (336, 61906), (364, 57144), (416, 50001), (546, 38096), (624, 33334), (672, 30953), (728, 28572), (1092, 19048), (1248, 16667), (1456, 14286), (2184, 9524), (2381, 8736), (2912, 7143), (4368, 4762)]