20900636640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{10243}}^1$

素因数の和:10386

約数の個数: 288

約数和(自身を含む): 77522084640

約数和(自身を除く): 56621448000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 109, 117, 120, 130, 144, 156, 160, 180, 195, 208, 218, 234, 240, 260, 288, 312, 327, 360, 390, 416, 436, 468, 480, 520, 545, 585, 624, 654, 720, 780, 872, 936, 981, 1040, 1090, 1170, 1248, 1308, 1417, 1440, 1560, 1635, 1744, 1872, 1962, 2080, 2180, 2340, 2616, 2834, 3120, 3270, 3488, 3744, 3924, 4251, 4360, 4680, 4905, 5232, 5668, 6240, 6540, 7085, 7848, 8502, 8720, 9360, 9810, 10243, 10464, 11336, 12753, 13080, 14170, 15696, 17004, 17440, 18720, 19620, 20486, 21255, 22672, 25506, 26160, 28340, 30729, 31392, 34008, 39240, 40972, 42510, 45344, 51012, 51215, 52320, 56680, 61458, 63765, 68016, 78480, 81944, 85020, 92187, 102024, 102430, 113360, 122916, 127530, 133159, 136032, 153645, 156960, 163888, 170040, 184374, 204048, 204860, 226720, 245832, 255060, 266318, 307290, 327776, 340080, 368748, 399477, 408096, 409720, 460935, 491664, 510120, 532636, 614580, 665795, 680160, 737496, 798954, 819440, 921870, 983328, 1020240, 1065272, 1116487, 1198431, 1229160, 1331590, 1474992, 1597908, 1638880, 1843740, 1997385, 2040480, 2130544, 2232974, 2396862, 2458320, 2663180, 2949984, 3195816, 3349461, 3687480, 3994770, 4261088, 4465948, 4793724, 4916640, 5326360, 5582435, 5992155, 6391632, 6698922, 7374960, 7989540, 8931896, 9587448, 10048383, 10652720, 11164870, 11984310, 12783264, 13397844, 14514331, 14749920, 15979080, 16747305, 17863792, 19174896, 20096766, 21305440, 22329740, 23968620, 26795688, 29028662, 31958160, 33494610, 35727584, 38349792, 40193532, 43542993, 44659480, 47937240, 50241915, 53591376, 58057324, 63916320, 66989220, 72571655, 80387064, 87085986, 89318960, 95874480, 100483830, 107182752, 116114648, 130628979, 133978440, 145143310, 160774128, 174171972, 178637920, 191748960, 200967660, 217714965, 232229296, 261257958, 267956880, 290286620, 321548256, 348343944, 401935320, 435429930, 464458592, 522515916, 535913760, 580573240, 653144895, 696687888, 803870640, 870859860, 1045031832, 1161146480, 1306289790, 1393375776, 1607741280, 1741719720, 2090063664, 2322292960, 2612579580, 3483439440, 4180127328, 5225159160, 6966878880, 10450318320, 20900636640]

約数ペア:

[(1, 20900636640), (2, 10450318320), (3, 6966878880), (4, 5225159160), (5, 4180127328), (6, 3483439440), (8, 2612579580), (9, 2322292960), (10, 2090063664), (12, 1741719720), (13, 1607741280), (15, 1393375776), (16, 1306289790), (18, 1161146480), (20, 1045031832), (24, 870859860), (26, 803870640), (30, 696687888), (32, 653144895), (36, 580573240), (39, 535913760), (40, 522515916), (45, 464458592), (48, 435429930), (52, 401935320), (60, 348343944), (65, 321548256), (72, 290286620), (78, 267956880), (80, 261257958), (90, 232229296), (96, 217714965), (104, 200967660), (109, 191748960), (117, 178637920), (120, 174171972), (130, 160774128), (144, 145143310), (156, 133978440), (160, 130628979), (180, 116114648), (195, 107182752), (208, 100483830), (218, 95874480), (234, 89318960), (240, 87085986), (260, 80387064), (288, 72571655), (312, 66989220), (327, 63916320), (360, 58057324), (390, 53591376), (416, 50241915), (436, 47937240), (468, 44659480), (480, 43542993), (520, 40193532), (545, 38349792), (585, 35727584), (624, 33494610), (654, 31958160), (720, 29028662), (780, 26795688), (872, 23968620), (936, 22329740), (981, 21305440), (1040, 20096766), (1090, 19174896), (1170, 17863792), (1248, 16747305), (1308, 15979080), (1417, 14749920), (1440, 14514331), (1560, 13397844), (1635, 12783264), (1744, 11984310), (1872, 11164870), (1962, 10652720), (2080, 10048383), (2180, 9587448), (2340, 8931896), (2616, 7989540), (2834, 7374960), (3120, 6698922), (3270, 6391632), (3488, 5992155), (3744, 5582435), (3924, 5326360), (4251, 4916640), (4360, 4793724), (4680, 4465948), (4905, 4261088), (5232, 3994770), (5668, 3687480), (6240, 3349461), (6540, 3195816), (7085, 2949984), (7848, 2663180), (8502, 2458320), (8720, 2396862), (9360, 2232974), (9810, 2130544), (10243, 2040480), (10464, 1997385), (11336, 1843740), (12753, 1638880), (13080, 1597908), (14170, 1474992), (15696, 1331590), (17004, 1229160), (17440, 1198431), (18720, 1116487), (19620, 1065272), (20486, 1020240), (21255, 983328), (22672, 921870), (25506, 819440), (26160, 798954), (28340, 737496), (30729, 680160), (31392, 665795), (34008, 614580), (39240, 532636), (40972, 510120), (42510, 491664), (45344, 460935), (51012, 409720), (51215, 408096), (52320, 399477), (56680, 368748), (61458, 340080), (63765, 327776), (68016, 307290), (78480, 266318), (81944, 255060), (85020, 245832), (92187, 226720), (102024, 204860), (102430, 204048), (113360, 184374), (122916, 170040), (127530, 163888), (133159, 156960), (136032, 153645)]