20621835360

素因数分解:

$2^5\times 3^7\times 5^1\times 7^1\times {\mathrm{8419}}^1$

素因数の和:8462

約数の個数: 384

約数和(自身を含む): 83515622400

約数和(自身を除く): 62893787040

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, 240, 243, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 486, 504, 540, 560, 567, 630, 648, 672, 720, 729, 756, 810, 840, 864, 945, 972, 1008, 1080, 1120, 1134, 1215, 1260, 1296, 1440, 1458, 1512, 1620, 1680, 1701, 1890, 1944, 2016, 2160, 2187, 2268, 2430, 2520, 2592, 2835, 2916, 3024, 3240, 3360, 3402, 3645, 3780, 3888, 4320, 4374, 4536, 4860, 5040, 5103, 5670, 5832, 6048, 6480, 6804, 7290, 7560, 7776, 8419, 8505, 8748, 9072, 9720, 10080, 10206, 10935, 11340, 11664, 12960, 13608, 14580, 15120, 15309, 16838, 17010, 17496, 18144, 19440, 20412, 21870, 22680, 23328, 25257, 25515, 27216, 29160, 30240, 30618, 33676, 34020, 34992, 38880, 40824, 42095, 43740, 45360, 50514, 51030, 54432, 58320, 58933, 61236, 67352, 68040, 69984, 75771, 76545, 81648, 84190, 87480, 90720, 101028, 102060, 116640, 117866, 122472, 126285, 134704, 136080, 151542, 153090, 163296, 168380, 174960, 176799, 202056, 204120, 227313, 235732, 244944, 252570, 269408, 272160, 294665, 303084, 306180, 336760, 349920, 353598, 378855, 404112, 408240, 454626, 471464, 489888, 505140, 530397, 589330, 606168, 612360, 673520, 681939, 707196, 757710, 808224, 816480, 883995, 909252, 942928, 1010280, 1060794, 1136565, 1178660, 1212336, 1224720, 1347040, 1363878, 1414392, 1515420, 1591191, 1767990, 1818504, 1885856, 2020560, 2045817, 2121588, 2273130, 2357320, 2424672, 2449440, 2651985, 2727756, 2828784, 3030840, 3182382, 3409695, 3535980, 3637008, 4041120, 4091634, 4243176, 4546260, 4714640, 4773573, 5303970, 5455512, 5657568, 6061680, 6137451, 6364764, 6819390, 7071960, 7274016, 7955955, 8183268, 8486352, 9092520, 9429280, 9547146, 10229085, 10607940, 10911024, 12123360, 12274902, 12729528, 13638780, 14143920, 14320719, 15911910, 16366536, 16972704, 18185040, 18412353, 19094292, 20458170, 21215880, 21822048, 23867865, 24549804, 25459056, 27277560, 28287840, 28641438, 30687255, 31823820, 32733072, 36370080, 36824706, 38188584, 40916340, 42431760, 42962157, 47735730, 49099608, 50918112, 54555120, 57282876, 61374510, 63647640, 65466144, 71603595, 73649412, 76377168, 81832680, 84863520, 85924314, 92061765, 95471460, 98199216, 109110240, 114565752, 122749020, 127295280, 128886471, 143207190, 147298824, 152754336, 163665360, 171848628, 184123530, 190942920, 196398432, 214810785, 229131504, 245498040, 254590560, 257772942, 286414380, 294597648, 327330720, 343697256, 368247060, 381885840, 429621570, 458263008, 490996080, 515545884, 572828760, 589195296, 644432355, 687394512, 736494120, 763771680, 859243140, 981992160, 1031091768, 1145657520, 1288864710, 1374789024, 1472988240, 1718486280, 2062183536, 2291315040, 2577729420, 2945976480, 3436972560, 4124367072, 5155458840, 6873945120, 10310917680, 20621835360]

約数ペア:

[(1, 20621835360), (2, 10310917680), (3, 6873945120), (4, 5155458840), (5, 4124367072), (6, 3436972560), (7, 2945976480), (8, 2577729420), (9, 2291315040), (10, 2062183536), (12, 1718486280), (14, 1472988240), (15, 1374789024), (16, 1288864710), (18, 1145657520), (20, 1031091768), (21, 981992160), (24, 859243140), (27, 763771680), (28, 736494120), (30, 687394512), (32, 644432355), (35, 589195296), (36, 572828760), (40, 515545884), (42, 490996080), (45, 458263008), (48, 429621570), (54, 381885840), (56, 368247060), (60, 343697256), (63, 327330720), (70, 294597648), (72, 286414380), (80, 257772942), (81, 254590560), (84, 245498040), (90, 229131504), (96, 214810785), (105, 196398432), (108, 190942920), (112, 184123530), (120, 171848628), (126, 163665360), (135, 152754336), (140, 147298824), (144, 143207190), (160, 128886471), (162, 127295280), (168, 122749020), (180, 114565752), (189, 109110240), (210, 98199216), (216, 95471460), (224, 92061765), (240, 85924314), (243, 84863520), (252, 81832680), (270, 76377168), (280, 73649412), (288, 71603595), (315, 65466144), (324, 63647640), (336, 61374510), (360, 57282876), (378, 54555120), (405, 50918112), (420, 49099608), (432, 47735730), (480, 42962157), (486, 42431760), (504, 40916340), (540, 38188584), (560, 36824706), (567, 36370080), (630, 32733072), (648, 31823820), (672, 30687255), (720, 28641438), (729, 28287840), (756, 27277560), (810, 25459056), (840, 24549804), (864, 23867865), (945, 21822048), (972, 21215880), (1008, 20458170), (1080, 19094292), (1120, 18412353), (1134, 18185040), (1215, 16972704), (1260, 16366536), (1296, 15911910), (1440, 14320719), (1458, 14143920), (1512, 13638780), (1620, 12729528), (1680, 12274902), (1701, 12123360), (1890, 10911024), (1944, 10607940), (2016, 10229085), (2160, 9547146), (2187, 9429280), (2268, 9092520), (2430, 8486352), (2520, 8183268), (2592, 7955955), (2835, 7274016), (2916, 7071960), (3024, 6819390), (3240, 6364764), (3360, 6137451), (3402, 6061680), (3645, 5657568), (3780, 5455512), (3888, 5303970), (4320, 4773573), (4374, 4714640), (4536, 4546260), (4860, 4243176), (5040, 4091634), (5103, 4041120), (5670, 3637008), (5832, 3535980), (6048, 3409695), (6480, 3182382), (6804, 3030840), (7290, 2828784), (7560, 2727756), (7776, 2651985), (8419, 2449440), (8505, 2424672), (8748, 2357320), (9072, 2273130), (9720, 2121588), (10080, 2045817), (10206, 2020560), (10935, 1885856), (11340, 1818504), (11664, 1767990), (12960, 1591191), (13608, 1515420), (14580, 1414392), (15120, 1363878), (15309, 1347040), (16838, 1224720), (17010, 1212336), (17496, 1178660), (18144, 1136565), (19440, 1060794), (20412, 1010280), (21870, 942928), (22680, 909252), (23328, 883995), (25257, 816480), (25515, 808224), (27216, 757710), (29160, 707196), (30240, 681939), (30618, 673520), (33676, 612360), (34020, 606168), (34992, 589330), (38880, 530397), (40824, 505140), (42095, 489888), (43740, 471464), (45360, 454626), (50514, 408240), (51030, 404112), (54432, 378855), (58320, 353598), (58933, 349920), (61236, 336760), (67352, 306180), (68040, 303084), (69984, 294665), (75771, 272160), (76545, 269408), (81648, 252570), (84190, 244944), (87480, 235732), (90720, 227313), (101028, 204120), (102060, 202056), (116640, 176799), (117866, 174960), (122472, 168380), (126285, 163296), (134704, 153090), (136080, 151542)]