20813866920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4451

約数の個数: 640

約数和(自身を含む): 91831449600

約数和(自身を除く): 71017582680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 19, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 38, 40, 42, 44, 45, 54, 55, 56, 57, 60, 63, 66, 70, 72, 76, 77, 81, 84, 88, 90, 95, 99, 105, 108, 110, 114, 120, 126, 132, 133, 135, 140, 152, 154, 162, 165, 168, 171, 180, 189, 190, 198, 209, 210, 216, 220, 228, 231, 252, 264, 266, 270, 280, 285, 297, 308, 315, 324, 330, 342, 360, 378, 380, 385, 396, 399, 405, 418, 420, 440, 456, 462, 495, 504, 513, 532, 540, 567, 570, 594, 616, 627, 630, 648, 660, 665, 684, 693, 756, 760, 770, 792, 798, 810, 836, 840, 855, 891, 924, 945, 990, 1026, 1045, 1064, 1080, 1134, 1140, 1155, 1188, 1197, 1254, 1260, 1320, 1330, 1368, 1386, 1463, 1485, 1512, 1539, 1540, 1596, 1620, 1672, 1710, 1782, 1848, 1881, 1890, 1980, 1995, 2052, 2079, 2090, 2268, 2280, 2310, 2376, 2394, 2508, 2520, 2565, 2660, 2772, 2835, 2926, 2970, 3078, 3080, 3135, 3192, 3240, 3420, 3465, 3564, 3591, 3762, 3780, 3960, 3990, 4104, 4158, 4180, 4389, 4391, 4455, 4536, 4620, 4788, 5016, 5130, 5320, 5544, 5643, 5670, 5852, 5940, 5985, 6156, 6237, 6270, 6840, 6930, 7128, 7182, 7315, 7524, 7560, 7695, 7980, 8316, 8360, 8778, 8782, 8910, 9240, 9405, 9576, 10260, 10395, 10773, 11286, 11340, 11704, 11880, 11970, 12312, 12474, 12540, 13167, 13173, 13860, 14364, 14630, 15048, 15390, 15960, 16632, 16929, 17556, 17564, 17820, 17955, 18810, 20520, 20790, 21546, 21945, 21955, 22572, 22680, 23940, 24948, 25080, 26334, 26346, 27720, 28215, 28728, 29260, 30737, 30780, 31185, 33858, 35112, 35128, 35640, 35910, 37620, 39501, 39519, 41580, 43092, 43890, 43910, 45144, 47880, 48301, 49896, 52668, 52692, 53865, 56430, 58520, 61474, 61560, 62370, 65835, 65865, 67716, 71820, 75240, 79002, 79038, 83160, 83429, 84645, 86184, 87780, 87820, 92211, 96602, 105336, 105384, 107730, 112860, 118503, 118557, 122948, 124740, 131670, 131730, 135432, 143640, 144903, 153685, 158004, 158076, 166858, 169290, 175560, 175640, 184422, 193204, 197505, 197595, 215460, 225720, 237006, 237114, 241505, 245896, 249480, 250287, 263340, 263460, 276633, 289806, 307370, 316008, 316152, 333716, 338107, 338580, 355671, 368844, 386408, 395010, 395190, 417145, 430920, 434709, 461055, 474012, 474228, 483010, 500574, 526680, 526920, 553266, 579612, 584003, 592515, 592785, 614740, 667432, 676214, 677160, 711342, 724515, 737688, 750861, 790020, 790380, 829899, 834290, 869418, 917719, 922110, 948024, 948456, 966020, 1001148, 1014321, 1106532, 1159224, 1168006, 1185030, 1185570, 1229480, 1251435, 1304127, 1352428, 1383165, 1422684, 1449030, 1501722, 1580040, 1580760, 1659798, 1668580, 1690535, 1738836, 1752009, 1778355, 1835438, 1844220, 1932040, 2002296, 2028642, 2173545, 2213064, 2252583, 2336012, 2370060, 2371140, 2489697, 2502870, 2608254, 2704856, 2753157, 2766330, 2845368, 2898060, 2920015, 3003444, 3042963, 3319596, 3337160, 3381070, 3477672, 3504018, 3556710, 3670876, 3688440, 3754305, 3912381, 4057284, 4149495, 4347090, 4505166, 4588595, 4672024, 4740120, 4742280, 4979394, 5005740, 5071605, 5216508, 5256027, 5506314, 5532660, 5796120, 5840030, 6006888, 6085926, 6424033, 6520635, 6639192, 6757749, 6762140, 7008036, 7113420, 7341752, 7508610, 7824762, 8114568, 8259471, 8298990, 8694180, 8760045, 9010332, 9128889, 9177190, 9958788, 10011480, 10143210, 10433016, 10512054, 11012628, 11065320, 11262915, 11680060, 12171852, 12448485, 12848066, 13041270, 13515498, 13524280, 13765785, 14016072, 14226840, 15017220, 15214815, 15649524, 15768081, 16518942, 16597980, 17388360, 17520090, 18020664, 18257778, 18354380, 19272099, 19561905, 19917576, 20286420, 21024108, 22025256, 22525830, 23360120, 24343704, 24778413, 24896970, 25696132, 26082540, 26280135, 27030996, 27386667, 27531570, 30034440, 30429630, 31299048, 31536162, 32120165, 33037884, 33195960, 33788745, 35040180, 36515556, 36708760, 38544198, 39123810, 40572840, 41297355, 42048216, 45051660, 45644445, 47304243, 49556826, 49793940, 51392264, 52165080, 52560270, 54061992, 54773334, 55063140, 57816297, 60859260, 63072324, 64240330, 66075768, 67577490, 70080360, 73031112, 74335239, 77088396, 78247620, 78840405, 82594710, 90103320, 91288890, 94608486, 96360495, 99113652, 99587880, 105120540, 109546668, 110126280, 115632594, 121718520, 123892065, 126144648, 128480660, 135154980, 136933335, 148670478, 154176792, 156495240, 157680810, 165189420, 173448891, 182577780, 189216972, 192720990, 198227304, 210241080, 219093336, 231265188, 236521215, 247784130, 256961320, 270309960, 273866670, 289081485, 297340956, 315361620, 330378840, 346897782, 365155560, 371676195, 378433944, 385441980, 462530376, 473042430, 495568260, 520346673, 547733340, 578162970, 594681912, 630723240, 693795564, 743352390, 770883960, 867244455, 946084860, 991136520, 1040693346, 1095466680, 1156325940, 1387591128, 1486704780, 1734488910, 1892169720, 2081386692, 2312651880, 2601733365, 2973409560, 3468977820, 4162773384, 5203466730, 6937955640, 10406933460, 20813866920]

約数ペア:

[(1, 20813866920), (2, 10406933460), (3, 6937955640), (4, 5203466730), (5, 4162773384), (6, 3468977820), (7, 2973409560), (8, 2601733365), (9, 2312651880), (10, 2081386692), (11, 1892169720), (12, 1734488910), (14, 1486704780), (15, 1387591128), (18, 1156325940), (19, 1095466680), (20, 1040693346), (21, 991136520), (22, 946084860), (24, 867244455), (27, 770883960), (28, 743352390), (30, 693795564), (33, 630723240), (35, 594681912), (36, 578162970), (38, 547733340), (40, 520346673), (42, 495568260), (44, 473042430), (45, 462530376), (54, 385441980), (55, 378433944), (56, 371676195), (57, 365155560), (60, 346897782), (63, 330378840), (66, 315361620), (70, 297340956), (72, 289081485), (76, 273866670), (77, 270309960), (81, 256961320), (84, 247784130), (88, 236521215), (90, 231265188), (95, 219093336), (99, 210241080), (105, 198227304), (108, 192720990), (110, 189216972), (114, 182577780), (120, 173448891), (126, 165189420), (132, 157680810), (133, 156495240), (135, 154176792), (140, 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27386667), (770, 27030996), (792, 26280135), (798, 26082540), (810, 25696132), (836, 24896970), (840, 24778413), (855, 24343704), (891, 23360120), (924, 22525830), (945, 22025256), (990, 21024108), (1026, 20286420), (1045, 19917576), (1064, 19561905), (1080, 19272099), (1134, 18354380), (1140, 18257778), (1155, 18020664), (1188, 17520090), (1197, 17388360), (1254, 16597980), (1260, 16518942), (1320, 15768081), (1330, 15649524), (1368, 15214815), (1386, 15017220), (1463, 14226840), (1485, 14016072), (1512, 13765785), (1539, 13524280), (1540, 13515498), (1596, 13041270), (1620, 12848066), (1672, 12448485), (1710, 12171852), (1782, 11680060), (1848, 11262915), (1881, 11065320), (1890, 11012628), (1980, 10512054), (1995, 10433016), (2052, 10143210), (2079, 10011480), (2090, 9958788), (2268, 9177190), (2280, 9128889), (2310, 9010332), (2376, 8760045), (2394, 8694180), (2508, 8298990), (2520, 8259471), (2565, 8114568), (2660, 7824762), (2772, 7508610), (2835, 7341752), (2926, 7113420), (2970, 7008036), (3078, 6762140), (3080, 6757749), (3135, 6639192), (3192, 6520635), (3240, 6424033), (3420, 6085926), (3465, 6006888), (3564, 5840030), (3591, 5796120), (3762, 5532660), (3780, 5506314), (3960, 5256027), (3990, 5216508), (4104, 5071605), (4158, 5005740), (4180, 4979394), (4389, 4742280), (4391, 4740120), (4455, 4672024), (4536, 4588595), (4620, 4505166), (4788, 4347090), (5016, 4149495), (5130, 4057284), (5320, 3912381), (5544, 3754305), (5643, 3688440), (5670, 3670876), (5852, 3556710), (5940, 3504018), (5985, 3477672), (6156, 3381070), (6237, 3337160), (6270, 3319596), (6840, 3042963), (6930, 3003444), (7128, 2920015), (7182, 2898060), (7315, 2845368), (7524, 2766330), (7560, 2753157), (7695, 2704856), (7980, 2608254), (8316, 2502870), (8360, 2489697), (8778, 2371140), (8782, 2370060), (8910, 2336012), (9240, 2252583), (9405, 2213064), (9576, 2173545), (10260, 2028642), (10395, 2002296), (10773, 1932040), (11286, 1844220), (11340, 1835438), (11704, 1778355), (11880, 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(56430, 368844), (58520, 355671), (61474, 338580), (61560, 338107), (62370, 333716), (65835, 316152), (65865, 316008), (67716, 307370), (71820, 289806), (75240, 276633), (79002, 263460), (79038, 263340), (83160, 250287), (83429, 249480), (84645, 245896), (86184, 241505), (87780, 237114), (87820, 237006), (92211, 225720), (96602, 215460), (105336, 197595), (105384, 197505), (107730, 193204), (112860, 184422), (118503, 175640), (118557, 175560), (122948, 169290), (124740, 166858), (131670, 158076), (131730, 158004), (135432, 153685), (143640, 144903)]