20954157840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7411}}^1$

素因数の和:7468

約数の個数: 640

約数和(自身を含む): 95291043840

約数和(自身を除く): 74336886000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 20, 21, 22, 24, 27, 28, 30, 33, 34, 35, 36, 40, 42, 44, 45, 48, 51, 54, 55, 56, 60, 63, 66, 68, 70, 72, 77, 80, 84, 85, 88, 90, 99, 102, 105, 108, 110, 112, 119, 120, 126, 132, 135, 136, 140, 144, 153, 154, 165, 168, 170, 176, 180, 187, 189, 198, 204, 210, 216, 220, 231, 238, 240, 252, 255, 264, 270, 272, 280, 297, 306, 308, 315, 330, 336, 340, 357, 360, 374, 378, 385, 396, 408, 420, 432, 440, 459, 462, 476, 495, 504, 510, 528, 540, 560, 561, 594, 595, 612, 616, 630, 660, 680, 693, 714, 720, 748, 756, 765, 770, 792, 816, 840, 880, 918, 924, 935, 945, 952, 990, 1008, 1020, 1071, 1080, 1122, 1155, 1188, 1190, 1224, 1232, 1260, 1309, 1320, 1360, 1386, 1428, 1485, 1496, 1512, 1530, 1540, 1584, 1680, 1683, 1785, 1836, 1848, 1870, 1890, 1904, 1980, 2040, 2079, 2142, 2160, 2244, 2295, 2310, 2376, 2380, 2448, 2520, 2618, 2640, 2772, 2805, 2856, 2970, 2992, 3024, 3060, 3080, 3213, 3366, 3465, 3570, 3672, 3696, 3740, 3780, 3927, 3960, 4080, 4158, 4284, 4488, 4590, 4620, 4752, 4760, 5040, 5049, 5236, 5355, 5544, 5610, 5712, 5940, 6120, 6160, 6426, 6545, 6732, 6930, 7140, 7344, 7411, 7480, 7560, 7854, 7920, 8316, 8415, 8568, 8976, 9180, 9240, 9520, 10098, 10395, 10472, 10710, 11088, 11220, 11781, 11880, 12240, 12852, 13090, 13464, 13860, 14280, 14822, 14960, 15120, 15708, 16065, 16632, 16830, 17136, 18360, 18480, 19635, 20196, 20790, 20944, 21420, 22233, 22440, 23562, 23760, 25245, 25704, 26180, 26928, 27720, 28560, 29644, 31416, 32130, 33264, 33660, 35343, 36720, 37055, 39270, 40392, 41580, 42840, 44466, 44880, 47124, 50490, 51408, 51877, 52360, 55440, 58905, 59288, 62832, 64260, 66699, 67320, 70686, 74110, 78540, 80784, 81521, 83160, 85680, 88932, 94248, 100980, 103754, 104720, 111165, 117810, 118576, 125987, 128520, 133398, 134640, 141372, 148220, 155631, 157080, 163042, 166320, 176715, 177864, 188496, 200097, 201960, 207508, 222330, 235620, 244563, 251974, 257040, 259385, 266796, 282744, 296440, 311262, 314160, 326084, 333495, 353430, 355728, 377961, 400194, 403920, 407605, 415016, 444660, 466893, 471240, 489126, 503948, 518770, 533592, 565488, 570647, 592880, 622524, 629935, 652168, 666990, 706860, 733689, 755922, 778155, 800388, 815210, 830032, 881909, 889320, 933786, 942480, 978252, 1000485, 1007896, 1037540, 1067184, 1133883, 1141294, 1222815, 1245048, 1259870, 1304336, 1333980, 1385857, 1400679, 1413720, 1467378, 1511844, 1556310, 1600776, 1630420, 1711941, 1763818, 1778640, 1867572, 1889805, 1956504, 2000970, 2015792, 2075080, 2201067, 2267766, 2282588, 2334465, 2445630, 2490096, 2519740, 2645727, 2667960, 2771714, 2801358, 2827440, 2853235, 2934756, 3023688, 3112620, 3201552, 3260840, 3401649, 3423882, 3527636, 3668445, 3735144, 3779610, 3913008, 4001940, 4150160, 4157571, 4402134, 4409545, 4535532, 4565176, 4668930, 4891260, 5039480, 5135823, 5291454, 5335920, 5543428, 5602716, 5669415, 5706470, 5869512, 6047376, 6225240, 6521680, 6803298, 6847764, 6929285, 7003395, 7055272, 7336890, 7470288, 7559220, 7937181, 8003880, 8315142, 8559705, 8804268, 8819090, 9071064, 9130352, 9337860, 9700999, 9782520, 10078960, 10271646, 10582908, 11005335, 11086856, 11205432, 11338830, 11412940, 11739024, 12450480, 12472713, 13228635, 13606596, 13695528, 13858570, 14006790, 14110544, 14673780, 15118440, 15407469, 15874362, 16007760, 16630284, 17008245, 17119410, 17608536, 17638180, 18142128, 18675720, 19401998, 19565040, 20543292, 20787855, 21165816, 22010670, 22173712, 22410864, 22677660, 22825880, 23811543, 24945426, 25679115, 26457270, 27213192, 27391056, 27717140, 28013580, 29102997, 29347560, 30236880, 30814938, 31748724, 33260568, 34016490, 34238820, 35217072, 35276360, 37351440, 37418139, 38803996, 39685905, 41086584, 41575710, 42331632, 44021340, 45355320, 45651760, 47623086, 48504995, 49890852, 51358230, 52914540, 54426384, 55434280, 56027160, 58205994, 58695120, 61629876, 62363565, 63497448, 66521136, 68032980, 68477640, 70552720, 74836278, 77037345, 77607992, 79371810, 82173168, 83151420, 87308991, 88042680, 90710640, 95246172, 97009990, 99781704, 102716460, 105829080, 110868560, 112054320, 116411988, 119057715, 123259752, 124727130, 126994896, 136065960, 136955280, 145514985, 149672556, 154074690, 155215984, 158743620, 166302840, 174617982, 176085360, 187090695, 190492344, 194019980, 199563408, 205432920, 211658160, 232823976, 238115430, 246519504, 249454260, 261926973, 272131920, 291029970, 299345112, 308149380, 317487240, 332605680, 349235964, 374181390, 380984688, 388039960, 410865840, 436544955, 465647952, 476230860, 498908520, 523853946, 582059940, 598690224, 616298760, 634974480, 698471928, 748362780, 776079920, 873089910, 952461720, 997817040, 1047707892, 1164119880, 1232597520, 1309634865, 1396943856, 1496725560, 1746179820, 1904923440, 2095415784, 2328239760, 2619269730, 2993451120, 3492359640, 4190831568, 5238539460, 6984719280, 10477078920, 20954157840]

約数ペア:

[(1, 20954157840), (2, 10477078920), (3, 6984719280), (4, 5238539460), (5, 4190831568), (6, 3492359640), (7, 2993451120), (8, 2619269730), (9, 2328239760), (10, 2095415784), (11, 1904923440), (12, 1746179820), (14, 1496725560), (15, 1396943856), (16, 1309634865), (17, 1232597520), (18, 1164119880), (20, 1047707892), (21, 997817040), (22, 952461720), (24, 873089910), (27, 776079920), (28, 748362780), (30, 698471928), (33, 634974480), (34, 616298760), (35, 598690224), (36, 582059940), (40, 523853946), (42, 498908520), (44, 476230860), (45, 465647952), (48, 436544955), (51, 410865840), (54, 388039960), (55, 380984688), (56, 374181390), (60, 349235964), (63, 332605680), (66, 317487240), (68, 308149380), (70, 299345112), (72, 291029970), (77, 272131920), (80, 261926973), (84, 249454260), (85, 246519504), (88, 238115430), (90, 232823976), (99, 211658160), (102, 205432920), (105, 199563408), (108, 194019980), (110, 190492344), (112, 187090695), (119, 176085360), (120, 174617982), (126, 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(612, 34238820), (616, 34016490), (630, 33260568), (660, 31748724), (680, 30814938), (693, 30236880), (714, 29347560), (720, 29102997), (748, 28013580), (756, 27717140), (765, 27391056), (770, 27213192), (792, 26457270), (816, 25679115), (840, 24945426), (880, 23811543), (918, 22825880), (924, 22677660), (935, 22410864), (945, 22173712), (952, 22010670), (990, 21165816), (1008, 20787855), (1020, 20543292), (1071, 19565040), (1080, 19401998), (1122, 18675720), (1155, 18142128), (1188, 17638180), (1190, 17608536), (1224, 17119410), (1232, 17008245), (1260, 16630284), (1309, 16007760), (1320, 15874362), (1360, 15407469), (1386, 15118440), (1428, 14673780), (1485, 14110544), (1496, 14006790), (1512, 13858570), (1530, 13695528), (1540, 13606596), (1584, 13228635), (1680, 12472713), (1683, 12450480), (1785, 11739024), (1836, 11412940), (1848, 11338830), (1870, 11205432), (1890, 11086856), (1904, 11005335), (1980, 10582908), (2040, 10271646), (2079, 10078960), (2142, 9782520), (2160, 9700999), (2244, 9337860), (2295, 9130352), (2310, 9071064), (2376, 8819090), (2380, 8804268), (2448, 8559705), (2520, 8315142), (2618, 8003880), (2640, 7937181), (2772, 7559220), (2805, 7470288), (2856, 7336890), (2970, 7055272), (2992, 7003395), (3024, 6929285), (3060, 6847764), (3080, 6803298), (3213, 6521680), (3366, 6225240), (3465, 6047376), (3570, 5869512), (3672, 5706470), (3696, 5669415), (3740, 5602716), (3780, 5543428), (3927, 5335920), (3960, 5291454), (4080, 5135823), (4158, 5039480), (4284, 4891260), (4488, 4668930), (4590, 4565176), (4620, 4535532), (4752, 4409545), (4760, 4402134), (5040, 4157571), (5049, 4150160), (5236, 4001940), (5355, 3913008), (5544, 3779610), (5610, 3735144), (5712, 3668445), (5940, 3527636), (6120, 3423882), (6160, 3401649), (6426, 3260840), (6545, 3201552), (6732, 3112620), (6930, 3023688), (7140, 2934756), (7344, 2853235), (7411, 2827440), (7480, 2801358), (7560, 2771714), (7854, 2667960), (7920, 2645727), (8316, 2519740), (8415, 2490096), (8568, 2445630), (8976, 2334465), (9180, 2282588), (9240, 2267766), (9520, 2201067), (10098, 2075080), (10395, 2015792), (10472, 2000970), (10710, 1956504), (11088, 1889805), (11220, 1867572), (11781, 1778640), (11880, 1763818), (12240, 1711941), (12852, 1630420), (13090, 1600776), (13464, 1556310), (13860, 1511844), (14280, 1467378), (14822, 1413720), (14960, 1400679), (15120, 1385857), (15708, 1333980), (16065, 1304336), (16632, 1259870), (16830, 1245048), (17136, 1222815), (18360, 1141294), (18480, 1133883), (19635, 1067184), (20196, 1037540), (20790, 1007896), (20944, 1000485), (21420, 978252), (22233, 942480), (22440, 933786), (23562, 889320), (23760, 881909), (25245, 830032), (25704, 815210), (26180, 800388), (26928, 778155), (27720, 755922), (28560, 733689), (29644, 706860), (31416, 666990), (32130, 652168), (33264, 629935), (33660, 622524), (35343, 592880), (36720, 570647), (37055, 565488), (39270, 533592), (40392, 518770), (41580, 503948), (42840, 489126), (44466, 471240), (44880, 466893), (47124, 444660), (50490, 415016), (51408, 407605), (51877, 403920), (52360, 400194), (55440, 377961), (58905, 355728), (59288, 353430), (62832, 333495), (64260, 326084), (66699, 314160), (67320, 311262), (70686, 296440), (74110, 282744), (78540, 266796), (80784, 259385), (81521, 257040), (83160, 251974), (85680, 244563), (88932, 235620), (94248, 222330), (100980, 207508), (103754, 201960), (104720, 200097), (111165, 188496), (117810, 177864), (118576, 176715), (125987, 166320), (128520, 163042), (133398, 157080), (134640, 155631), (141372, 148220)]