20166883548

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{1181}}^1$

素因数の和:1572

約数の個数: 144

約数和(自身を含む): 55484914464

約数和(自身を除く): 35318030916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 113, 147, 196, 226, 257, 294, 339, 452, 514, 588, 678, 771, 791, 1028, 1181, 1356, 1542, 1582, 1799, 2362, 2373, 3084, 3164, 3543, 3598, 4724, 4746, 5397, 5537, 7086, 7196, 8267, 9492, 10794, 11074, 12593, 14172, 16534, 16611, 21588, 22148, 24801, 25186, 29041, 33068, 33222, 37779, 49602, 50372, 57869, 58082, 66444, 75558, 87123, 99204, 115738, 116164, 133453, 151116, 173607, 174246, 203287, 231476, 266906, 303517, 347214, 348492, 400359, 406574, 533812, 607034, 609861, 694428, 800718, 813148, 910551, 934171, 1214068, 1219722, 1423009, 1601436, 1821102, 1868342, 2124619, 2439444, 2802513, 2846018, 3642204, 3736684, 4249238, 4269027, 5605026, 5692036, 6373857, 6539197, 8498476, 8538054, 11210052, 12747714, 13078394, 14872333, 17076108, 19617591, 25495428, 26156788, 29744666, 34297421, 39235182, 44616999, 59489332, 68594842, 78470364, 89233998, 102892263, 137189684, 178467996, 205784526, 240081947, 411569052, 480163894, 720245841, 960327788, 1440491682, 1680573629, 2880983364, 3361147258, 5041720887, 6722294516, 10083441774, 20166883548]

約数ペア:

[(1, 20166883548), (2, 10083441774), (3, 6722294516), (4, 5041720887), (6, 3361147258), (7, 2880983364), (12, 1680573629), (14, 1440491682), (21, 960327788), (28, 720245841), (42, 480163894), (49, 411569052), (84, 240081947), (98, 205784526), (113, 178467996), (147, 137189684), (196, 102892263), (226, 89233998), (257, 78470364), (294, 68594842), (339, 59489332), (452, 44616999), (514, 39235182), (588, 34297421), (678, 29744666), (771, 26156788), (791, 25495428), (1028, 19617591), (1181, 17076108), (1356, 14872333), (1542, 13078394), (1582, 12747714), (1799, 11210052), (2362, 8538054), (2373, 8498476), (3084, 6539197), (3164, 6373857), (3543, 5692036), (3598, 5605026), (4724, 4269027), (4746, 4249238), (5397, 3736684), (5537, 3642204), (7086, 2846018), (7196, 2802513), (8267, 2439444), (9492, 2124619), (10794, 1868342), (11074, 1821102), (12593, 1601436), (14172, 1423009), (16534, 1219722), (16611, 1214068), (21588, 934171), (22148, 910551), (24801, 813148), (25186, 800718), (29041, 694428), (33068, 609861), (33222, 607034), (37779, 533812), (49602, 406574), (50372, 400359), (57869, 348492), (58082, 347214), (66444, 303517), (75558, 266906), (87123, 231476), (99204, 203287), (115738, 174246), (116164, 173607), (133453, 151116)]