20593440

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{227}}^1$

素因数の和:261

約数の個数: 240

約数和(自身を含む): 83426112

約数和(自身を除く): 62832672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 227, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 454, 480, 504, 540, 560, 567, 630, 648, 672, 681, 720, 756, 810, 840, 864, 908, 945, 1008, 1080, 1120, 1134, 1135, 1260, 1296, 1362, 1440, 1512, 1589, 1620, 1680, 1816, 1890, 2016, 2043, 2160, 2268, 2270, 2520, 2592, 2724, 2835, 3024, 3178, 3240, 3360, 3405, 3632, 3780, 4086, 4320, 4536, 4540, 4767, 5040, 5448, 5670, 6048, 6129, 6356, 6480, 6810, 7264, 7560, 7945, 8172, 9072, 9080, 9534, 10080, 10215, 10896, 11340, 12258, 12712, 12960, 13620, 14301, 15120, 15890, 16344, 18144, 18160, 18387, 19068, 20430, 21792, 22680, 23835, 24516, 25424, 27240, 28602, 30240, 30645, 31780, 32688, 36320, 36774, 38136, 40860, 42903, 45360, 47670, 49032, 50848, 54480, 57204, 61290, 63560, 65376, 71505, 73548, 76272, 81720, 85806, 90720, 91935, 95340, 98064, 108960, 114408, 122580, 127120, 128709, 143010, 147096, 152544, 163440, 171612, 183870, 190680, 196128, 214515, 228816, 245160, 254240, 257418, 286020, 294192, 326880, 343224, 367740, 381360, 429030, 457632, 490320, 514836, 572040, 588384, 643545, 686448, 735480, 762720, 858060, 980640, 1029672, 1144080, 1287090, 1372896, 1470960, 1716120, 2059344, 2288160, 2574180, 2941920, 3432240, 4118688, 5148360, 6864480, 10296720, 20593440]

約数ペア:

[(1, 20593440), (2, 10296720), (3, 6864480), (4, 5148360), (5, 4118688), (6, 3432240), (7, 2941920), (8, 2574180), (9, 2288160), (10, 2059344), (12, 1716120), (14, 1470960), (15, 1372896), (16, 1287090), (18, 1144080), (20, 1029672), (21, 980640), (24, 858060), (27, 762720), (28, 735480), (30, 686448), (32, 643545), (35, 588384), (36, 572040), (40, 514836), (42, 490320), (45, 457632), (48, 429030), (54, 381360), (56, 367740), (60, 343224), (63, 326880), (70, 294192), (72, 286020), (80, 257418), (81, 254240), (84, 245160), (90, 228816), (96, 214515), (105, 196128), (108, 190680), (112, 183870), (120, 171612), (126, 163440), (135, 152544), (140, 147096), (144, 143010), (160, 128709), (162, 127120), (168, 122580), (180, 114408), (189, 108960), (210, 98064), (216, 95340), (224, 91935), (227, 90720), (240, 85806), (252, 81720), (270, 76272), (280, 73548), (288, 71505), (315, 65376), (324, 63560), (336, 61290), (360, 57204), (378, 54480), (405, 50848), (420, 49032), (432, 47670), (454, 45360), (480, 42903), (504, 40860), (540, 38136), (560, 36774), (567, 36320), (630, 32688), (648, 31780), (672, 30645), (681, 30240), (720, 28602), (756, 27240), (810, 25424), (840, 24516), (864, 23835), (908, 22680), (945, 21792), (1008, 20430), (1080, 19068), (1120, 18387), (1134, 18160), (1135, 18144), (1260, 16344), (1296, 15890), (1362, 15120), (1440, 14301), (1512, 13620), (1589, 12960), (1620, 12712), (1680, 12258), (1816, 11340), (1890, 10896), (2016, 10215), (2043, 10080), (2160, 9534), (2268, 9080), (2270, 9072), (2520, 8172), (2592, 7945), (2724, 7560), (2835, 7264), (3024, 6810), (3178, 6480), (3240, 6356), (3360, 6129), (3405, 6048), (3632, 5670), (3780, 5448), (4086, 5040), (4320, 4767), (4536, 4540)]