20170456992

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{78781}}^1$

素因数の和:78931

約数の個数: 144

約数和(自身を含む): 66070996992

約数和(自身を除く): 45900540000

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 127, 144, 168, 224, 252, 254, 288, 336, 381, 504, 508, 672, 762, 889, 1008, 1016, 1143, 1524, 1778, 2016, 2032, 2286, 2667, 3048, 3556, 4064, 4572, 5334, 6096, 7112, 8001, 9144, 10668, 12192, 14224, 16002, 18288, 21336, 28448, 32004, 36576, 42672, 64008, 78781, 85344, 128016, 157562, 236343, 256032, 315124, 472686, 551467, 630248, 709029, 945372, 1102934, 1260496, 1418058, 1654401, 1890744, 2205868, 2520992, 2836116, 3308802, 3781488, 4411736, 4963203, 5672232, 6617604, 7562976, 8823472, 9926406, 10005187, 11344464, 13235208, 17646944, 19852812, 20010374, 22688928, 26470416, 30015561, 39705624, 40020748, 52940832, 60031122, 70036309, 79411248, 80041496, 90046683, 120062244, 140072618, 158822496, 160082992, 180093366, 210108927, 240124488, 280145236, 320165984, 360186732, 420217854, 480248976, 560290472, 630326781, 720373464, 840435708, 960497952, 1120580944, 1260653562, 1440746928, 1680871416, 2241161888, 2521307124, 2881493856, 3361742832, 5042614248, 6723485664, 10085228496, 20170456992]

約数ペア:

[(1, 20170456992), (2, 10085228496), (3, 6723485664), (4, 5042614248), (6, 3361742832), (7, 2881493856), (8, 2521307124), (9, 2241161888), (12, 1680871416), (14, 1440746928), (16, 1260653562), (18, 1120580944), (21, 960497952), (24, 840435708), (28, 720373464), (32, 630326781), (36, 560290472), (42, 480248976), (48, 420217854), (56, 360186732), (63, 320165984), (72, 280145236), (84, 240124488), (96, 210108927), (112, 180093366), (126, 160082992), (127, 158822496), (144, 140072618), (168, 120062244), (224, 90046683), (252, 80041496), (254, 79411248), (288, 70036309), (336, 60031122), (381, 52940832), (504, 40020748), (508, 39705624), (672, 30015561), (762, 26470416), (889, 22688928), (1008, 20010374), (1016, 19852812), (1143, 17646944), (1524, 13235208), (1778, 11344464), (2016, 10005187), (2032, 9926406), (2286, 8823472), (2667, 7562976), (3048, 6617604), (3556, 5672232), (4064, 4963203), (4572, 4411736), (5334, 3781488), (6096, 3308802), (7112, 2836116), (8001, 2520992), (9144, 2205868), (10668, 1890744), (12192, 1654401), (14224, 1418058), (16002, 1260496), (18288, 1102934), (21336, 945372), (28448, 709029), (32004, 630248), (36576, 551467), (42672, 472686), (64008, 315124), (78781, 256032), (85344, 236343), (128016, 157562)]