20287194840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2919

約数の個数: 384

約数和(自身を含む): 75532953600

約数和(自身を除く): 55245758760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 31, 33, 36, 40, 44, 45, 55, 59, 60, 62, 66, 72, 88, 90, 93, 99, 110, 118, 120, 124, 132, 155, 165, 177, 180, 186, 198, 220, 236, 248, 264, 279, 295, 310, 330, 341, 354, 360, 372, 396, 440, 465, 472, 495, 531, 558, 590, 620, 649, 660, 682, 708, 744, 792, 885, 930, 990, 1023, 1062, 1116, 1180, 1240, 1298, 1320, 1364, 1395, 1416, 1705, 1770, 1829, 1860, 1947, 1980, 2046, 2124, 2232, 2360, 2596, 2655, 2728, 2790, 2801, 3069, 3245, 3410, 3540, 3658, 3720, 3894, 3960, 4092, 4248, 5115, 5192, 5310, 5487, 5580, 5602, 5841, 6138, 6490, 6820, 7080, 7316, 7788, 8184, 8403, 9145, 9735, 10230, 10620, 10974, 11160, 11204, 11682, 12276, 12980, 13640, 14005, 14632, 15345, 15576, 16461, 16806, 18290, 19470, 20119, 20460, 21240, 21948, 22408, 23364, 24552, 25209, 25960, 27435, 28010, 29205, 30690, 30811, 32922, 33612, 36580, 38940, 40238, 40920, 42015, 43896, 46728, 50418, 54870, 56020, 58410, 60357, 61380, 61622, 65844, 67224, 73160, 77880, 80476, 82305, 84030, 86831, 92433, 100595, 100836, 109740, 112040, 116820, 120714, 122760, 123244, 126045, 131688, 154055, 160952, 164610, 165259, 168060, 173662, 181071, 184866, 201190, 201672, 219480, 233640, 241428, 246488, 252090, 260493, 277299, 301785, 308110, 329220, 330518, 336120, 347324, 362142, 369732, 402380, 434155, 462165, 482856, 495777, 504180, 520986, 554598, 603570, 616220, 658440, 661036, 694648, 724284, 739464, 781479, 804760, 826295, 868310, 905355, 924330, 955141, 991554, 1008360, 1041972, 1109196, 1207140, 1232440, 1302465, 1322072, 1386495, 1448568, 1487331, 1562958, 1652590, 1736620, 1810710, 1817849, 1848660, 1910282, 1983108, 2083944, 2218392, 2414280, 2478885, 2604930, 2772990, 2865423, 2974662, 3125916, 3305180, 3473240, 3621420, 3635698, 3697320, 3820564, 3907395, 3966216, 4775705, 4957770, 5123029, 5209860, 5453547, 5545980, 5730846, 5949324, 6251832, 6610360, 7242840, 7271396, 7436655, 7641128, 7814790, 8596269, 9089245, 9551410, 9915540, 10246058, 10419720, 10907094, 11091960, 11461692, 11898648, 14327115, 14542792, 14873310, 15369087, 15629580, 16360641, 17192538, 18178490, 19102820, 19831080, 20492116, 21814188, 22923384, 25615145, 27267735, 28654230, 29746620, 30738174, 31259160, 32721282, 34385076, 36356980, 38205640, 40984232, 42981345, 43628376, 46107261, 51230290, 54535470, 56353319, 57308460, 59493240, 61476348, 65442564, 68770152, 72713960, 76845435, 81803205, 85962690, 92214522, 102460580, 109070940, 112706638, 114616920, 122952696, 130885128, 153690870, 163606410, 169059957, 171925380, 184429044, 204921160, 218141880, 225413276, 230536305, 281766595, 307381740, 327212820, 338119914, 343850760, 368858088, 450826552, 461072610, 507179871, 563533190, 614763480, 654425640, 676239828, 845299785, 922145220, 1014359742, 1127066380, 1352479656, 1690599570, 1844290440, 2028719484, 2254132760, 2535899355, 3381199140, 4057438968, 5071798710, 6762398280, 10143597420, 20287194840]

約数ペア:

[(1, 20287194840), (2, 10143597420), (3, 6762398280), (4, 5071798710), (5, 4057438968), (6, 3381199140), (8, 2535899355), (9, 2254132760), (10, 2028719484), (11, 1844290440), (12, 1690599570), (15, 1352479656), (18, 1127066380), (20, 1014359742), (22, 922145220), (24, 845299785), (30, 676239828), (31, 654425640), (33, 614763480), (36, 563533190), (40, 507179871), (44, 461072610), (45, 450826552), (55, 368858088), (59, 343850760), (60, 338119914), (62, 327212820), (66, 307381740), (72, 281766595), (88, 230536305), (90, 225413276), (93, 218141880), (99, 204921160), (110, 184429044), (118, 171925380), (120, 169059957), (124, 163606410), (132, 153690870), (155, 130885128), (165, 122952696), (177, 114616920), (180, 112706638), (186, 109070940), (198, 102460580), (220, 92214522), (236, 85962690), (248, 81803205), (264, 76845435), (279, 72713960), (295, 68770152), (310, 65442564), (330, 61476348), (341, 59493240), (354, 57308460), (360, 56353319), (372, 54535470), (396, 51230290), (440, 46107261), (465, 43628376), (472, 42981345), (495, 40984232), (531, 38205640), (558, 36356980), (590, 34385076), (620, 32721282), (649, 31259160), (660, 30738174), (682, 29746620), (708, 28654230), (744, 27267735), (792, 25615145), (885, 22923384), (930, 21814188), (990, 20492116), (1023, 19831080), (1062, 19102820), (1116, 18178490), (1180, 17192538), (1240, 16360641), (1298, 15629580), (1320, 15369087), (1364, 14873310), (1395, 14542792), (1416, 14327115), (1705, 11898648), (1770, 11461692), (1829, 11091960), (1860, 10907094), (1947, 10419720), (1980, 10246058), (2046, 9915540), (2124, 9551410), (2232, 9089245), (2360, 8596269), (2596, 7814790), (2655, 7641128), (2728, 7436655), (2790, 7271396), (2801, 7242840), (3069, 6610360), (3245, 6251832), (3410, 5949324), (3540, 5730846), (3658, 5545980), (3720, 5453547), (3894, 5209860), (3960, 5123029), (4092, 4957770), (4248, 4775705), (5115, 3966216), (5192, 3907395), (5310, 3820564), (5487, 3697320), (5580, 3635698), (5602, 3621420), (5841, 3473240), (6138, 3305180), (6490, 3125916), (6820, 2974662), (7080, 2865423), (7316, 2772990), (7788, 2604930), (8184, 2478885), (8403, 2414280), (9145, 2218392), (9735, 2083944), (10230, 1983108), (10620, 1910282), (10974, 1848660), (11160, 1817849), (11204, 1810710), (11682, 1736620), (12276, 1652590), (12980, 1562958), (13640, 1487331), (14005, 1448568), (14632, 1386495), (15345, 1322072), (15576, 1302465), (16461, 1232440), (16806, 1207140), (18290, 1109196), (19470, 1041972), (20119, 1008360), (20460, 991554), (21240, 955141), (21948, 924330), (22408, 905355), (23364, 868310), (24552, 826295), (25209, 804760), (25960, 781479), (27435, 739464), (28010, 724284), (29205, 694648), (30690, 661036), (30811, 658440), (32922, 616220), (33612, 603570), (36580, 554598), (38940, 520986), (40238, 504180), (40920, 495777), (42015, 482856), (43896, 462165), (46728, 434155), (50418, 402380), (54870, 369732), (56020, 362142), (58410, 347324), (60357, 336120), (61380, 330518), (61622, 329220), (65844, 308110), (67224, 301785), (73160, 277299), (77880, 260493), (80476, 252090), (82305, 246488), (84030, 241428), (86831, 233640), (92433, 219480), (100595, 201672), (100836, 201190), (109740, 184866), (112040, 181071), (116820, 173662), (120714, 168060), (122760, 165259), (123244, 164610), (126045, 160952), (131688, 154055)]