20247840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 73180800

約数和(自身を除く): 52932960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 96, 108, 109, 120, 129, 135, 144, 160, 172, 180, 215, 216, 218, 240, 258, 270, 288, 327, 344, 360, 387, 430, 432, 436, 480, 516, 540, 545, 645, 654, 688, 720, 774, 860, 864, 872, 981, 1032, 1080, 1090, 1161, 1290, 1308, 1376, 1440, 1548, 1635, 1720, 1744, 1935, 1962, 2064, 2160, 2180, 2322, 2580, 2616, 2943, 3096, 3270, 3440, 3488, 3870, 3924, 4128, 4320, 4360, 4644, 4687, 4905, 5160, 5232, 5805, 5886, 6192, 6540, 6880, 7740, 7848, 8720, 9288, 9374, 9810, 10320, 10464, 11610, 11772, 12384, 13080, 14061, 14715, 15480, 15696, 17440, 18576, 18748, 19620, 20640, 23220, 23435, 23544, 26160, 28122, 29430, 30960, 31392, 37152, 37496, 39240, 42183, 46440, 46870, 47088, 52320, 56244, 58860, 61920, 70305, 74992, 78480, 84366, 92880, 93740, 94176, 112488, 117720, 126549, 140610, 149984, 156960, 168732, 185760, 187480, 210915, 224976, 235440, 253098, 281220, 337464, 374960, 421830, 449952, 470880, 506196, 562440, 632745, 674928, 749920, 843660, 1012392, 1124880, 1265490, 1349856, 1687320, 2024784, 2249760, 2530980, 3374640, 4049568, 5061960, 6749280, 10123920, 20247840]

約数ペア:

[(1, 20247840), (2, 10123920), (3, 6749280), (4, 5061960), (5, 4049568), (6, 3374640), (8, 2530980), (9, 2249760), (10, 2024784), (12, 1687320), (15, 1349856), (16, 1265490), (18, 1124880), (20, 1012392), (24, 843660), (27, 749920), (30, 674928), (32, 632745), (36, 562440), (40, 506196), (43, 470880), (45, 449952), (48, 421830), (54, 374960), (60, 337464), (72, 281220), (80, 253098), (86, 235440), (90, 224976), (96, 210915), (108, 187480), (109, 185760), (120, 168732), (129, 156960), (135, 149984), (144, 140610), (160, 126549), (172, 117720), (180, 112488), (215, 94176), (216, 93740), (218, 92880), (240, 84366), (258, 78480), (270, 74992), (288, 70305), (327, 61920), (344, 58860), (360, 56244), (387, 52320), (430, 47088), (432, 46870), (436, 46440), (480, 42183), (516, 39240), (540, 37496), (545, 37152), (645, 31392), (654, 30960), (688, 29430), (720, 28122), (774, 26160), (860, 23544), (864, 23435), (872, 23220), (981, 20640), (1032, 19620), (1080, 18748), (1090, 18576), (1161, 17440), (1290, 15696), (1308, 15480), (1376, 14715), (1440, 14061), (1548, 13080), (1635, 12384), (1720, 11772), (1744, 11610), (1935, 10464), (1962, 10320), (2064, 9810), (2160, 9374), (2180, 9288), (2322, 8720), (2580, 7848), (2616, 7740), (2943, 6880), (3096, 6540), (3270, 6192), (3440, 5886), (3488, 5805), (3870, 5232), (3924, 5160), (4128, 4905), (4320, 4687), (4360, 4644)]