20985875820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^3\times {\mathrm{19}}^2$

素因数の和:109

約数の個数: 864

約数和(自身を含む): 86833252800

約数和(自身を除く): 65847376980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 27, 28, 30, 35, 36, 38, 39, 42, 45, 49, 52, 54, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 98, 105, 108, 114, 117, 126, 130, 133, 135, 140, 147, 156, 169, 171, 180, 182, 189, 190, 195, 196, 210, 228, 234, 245, 247, 252, 260, 266, 270, 273, 285, 294, 315, 338, 342, 351, 361, 364, 378, 380, 390, 399, 420, 441, 455, 468, 490, 494, 507, 513, 532, 540, 546, 570, 585, 588, 630, 637, 665, 676, 684, 702, 722, 735, 741, 756, 780, 798, 819, 845, 855, 882, 910, 931, 945, 980, 988, 1014, 1026, 1083, 1092, 1140, 1170, 1183, 1197, 1235, 1260, 1274, 1323, 1330, 1365, 1404, 1444, 1470, 1482, 1521, 1596, 1638, 1690, 1710, 1729, 1755, 1764, 1805, 1820, 1862, 1890, 1911, 1995, 2028, 2052, 2166, 2197, 2205, 2223, 2340, 2366, 2394, 2457, 2470, 2527, 2535, 2548, 2565, 2646, 2660, 2730, 2793, 2940, 2964, 3042, 3185, 3211, 3249, 3276, 3380, 3420, 3458, 3510, 3549, 3591, 3610, 3705, 3724, 3780, 3822, 3990, 4095, 4332, 4394, 4410, 4446, 4563, 4655, 4693, 4732, 4788, 4914, 4940, 5054, 5070, 5130, 5187, 5292, 5415, 5460, 5586, 5733, 5915, 5985, 6084, 6370, 6422, 6498, 6591, 6615, 6669, 6916, 7020, 7098, 7182, 7220, 7410, 7581, 7605, 7644, 7980, 8190, 8281, 8379, 8645, 8788, 8820, 8892, 9126, 9310, 9386, 9555, 9633, 9747, 9828, 10108, 10140, 10260, 10374, 10647, 10830, 10985, 11115, 11172, 11466, 11830, 11970, 12103, 12285, 12635, 12740, 12844, 12996, 13182, 13230, 13338, 13965, 14079, 14196, 14364, 14820, 15162, 15210, 15379, 15561, 16055, 16245, 16380, 16562, 16758, 17199, 17290, 17689, 17745, 17955, 18252, 18620, 18772, 19110, 19266, 19494, 19773, 20748, 21294, 21660, 21970, 22230, 22477, 22743, 22815, 22932, 23465, 23660, 23940, 24206, 24570, 24843, 25137, 25270, 25935, 26364, 26460, 26676, 27930, 28158, 28665, 28899, 30324, 30420, 30758, 31122, 31941, 32110, 32490, 32851, 32955, 33124, 33345, 33516, 34398, 34580, 35378, 35490, 35910, 36309, 37905, 38220, 38532, 38988, 39546, 41405, 41743, 41895, 42237, 42588, 43940, 44460, 44954, 45486, 45630, 46137, 46683, 46930, 48165, 48412, 48735, 49140, 49686, 50274, 50540, 51870, 53067, 53235, 55860, 56316, 57330, 57798, 59319, 60515, 61009, 61516, 62244, 63882, 64220, 64980, 65702, 65910, 66690, 67431, 68229, 68796, 70395, 70756, 70980, 71820, 72618, 74529, 75810, 76895, 77805, 79092, 82810, 83486, 83790, 84474, 85995, 86697, 88445, 89908, 90972, 91260, 92274, 93366, 93860, 96330, 97470, 98553, 98865, 99372, 100548, 103740, 106134, 106470, 107653, 108927, 112385, 113715, 114660, 115596, 118638, 121030, 122018, 124215, 125229, 125685, 126711, 127764, 131404, 131820, 133380, 134862, 136458, 138411, 140790, 144495, 145236, 149058, 151620, 153790, 155610, 157339, 159201, 159705, 164255, 165620, 166972, 167580, 168948, 171990, 173394, 176890, 181545, 183027, 184548, 186732, 192660, 194940, 197106, 197730, 202293, 208715, 211185, 212268, 212940, 215306, 217854, 223587, 224770, 227430, 229957, 230685, 233415, 237276, 242060, 244036, 248430, 250458, 251370, 253422, 265335, 269724, 272916, 276822, 281580, 288990, 292201, 295659, 296595, 298116, 305045, 307580, 311220, 314678, 318402, 319410, 322959, 326781, 328510, 337155, 341145, 343980, 346788, 353780, 363090, 366054, 372645, 375687, 394212, 395460, 404586, 415233, 417430, 422370, 427063, 430612, 433485, 435708, 447174, 449540, 454860, 459914, 461370, 466830, 472017, 477603, 492765, 496860, 500916, 502740, 506844, 530670, 538265, 544635, 549081, 553644, 577980, 584402, 591318, 593190, 606879, 610090, 626145, 629356, 633555, 636804, 638820, 645918, 653562, 657020, 674310, 682290, 689871, 692055, 726180, 732108, 745290, 751374, 786695, 793117, 796005, 809172, 830466, 834860, 844740, 854126, 866970, 876603, 886977, 894348, 915135, 919828, 922740, 933660, 944034, 955206, 968877, 985530, 1011465, 1061340, 1076530, 1089270, 1098162, 1117935, 1127061, 1149785, 1168804, 1182636, 1186380, 1213758, 1220180, 1252290, 1267110, 1281189, 1291836, 1307124, 1348620, 1364580, 1379742, 1384110, 1416051, 1461005, 1478295, 1490580, 1502748, 1573390, 1586234, 1592010, 1614795, 1633905, 1647243, 1660932, 1708252, 1733940, 1753206, 1773954, 1830270, 1878435, 1888068, 1910412, 1937754, 1971060, 2022930, 2045407, 2069613, 2076165, 2135315, 2153060, 2178540, 2196324, 2235870, 2254122, 2299570, 2360085, 2379351, 2388015, 2427516, 2504580, 2534220, 2562378, 2629809, 2745405, 2759484, 2768220, 2832102, 2906631, 2922010, 2956590, 2989441, 3034395, 3146780, 3172468, 3184020, 3229590, 3267810, 3294486, 3449355, 3506412, 3547908, 3660540, 3756870, 3843567, 3875508, 3965585, 4045860, 4090814, 4139226, 4152330, 4248153, 4270630, 4383015, 4434885, 4471740, 4508244, 4599140, 4720170, 4758702, 4776030, 4844385, 5124756, 5259618, 5490810, 5551819, 5635305, 5664204, 5813262, 5844020, 5913180, 5978882, 6068790, 6136221, 6208839, 6405945, 6459180, 6535620, 6588972, 6898710, 7080255, 7138053, 7513740, 7687134, 7889427, 7931170, 8181628, 8236215, 8278452, 8304660, 8496306, 8541260, 8766030, 8869770, 8968323, 9440340, 9517404, 9552060, 9688770, 10227035, 10348065, 10519236, 10981620, 11103638, 11270610, 11530701, 11626524, 11896755, 11957764, 12137580, 12272442, 12417678, 12811890, 13149045, 13797420, 14160510, 14276106, 14533155, 14947205, 15374268, 15778854, 15862340, 16472430, 16655457, 16992612, 17532060, 17739540, 17936646, 18408663, 19217835, 19377540, 20454070, 20696130, 21240765, 21414159, 22207276, 22541220, 23061402, 23793510, 24544884, 24835356, 25623780, 26298090, 26904969, 27759095, 28321020, 28552212, 29066310, 29894410, 30681105, 31044195, 31557708, 32944860, 33310914, 35690265, 35873292, 36817326, 38435670, 38862733, 39447135, 40908140, 41392260, 42481530, 42828318, 44841615, 46122804, 47587020, 49966371, 52596180, 53809938, 55225989, 55518190, 57653505, 58132620, 59788820, 61362210, 62088390, 66621828, 71380530, 73634652, 76871340, 77725466, 78894270, 80714907, 83277285, 84963060, 85656636, 89683230, 92043315, 99932742, 107070795, 107619876, 110451978, 111036380, 115307010, 116588199, 122724420, 124176780, 134524845, 142761060, 149899113, 155450932, 157788540, 161429814, 166554570, 179366460, 184086630, 194313665, 199865484, 214141590, 220903956, 230614020, 233176398, 249831855, 269049690, 276129945, 299798226, 322859628, 333109140, 349764597, 368173260, 388627330, 403574535, 428283180, 466352796, 499663710, 538099380, 552259890, 582940995, 599596452, 699529194, 749495565, 777254660, 807149070, 999327420, 1049293791, 1104519780, 1165881990, 1399058388, 1498991130, 1614298140, 1748822985, 2098587582, 2331763980, 2997982260, 3497645970, 4197175164, 5246468955, 6995291940, 10492937910, 20985875820]

約数ペア:

[(1, 20985875820), (2, 10492937910), (3, 6995291940), (4, 5246468955), (5, 4197175164), (6, 3497645970), (7, 2997982260), (9, 2331763980), (10, 2098587582), (12, 1748822985), (13, 1614298140), (14, 1498991130), (15, 1399058388), (18, 1165881990), (19, 1104519780), (20, 1049293791), (21, 999327420), (26, 807149070), (27, 777254660), (28, 749495565), (30, 699529194), (35, 599596452), (36, 582940995), (38, 552259890), (39, 538099380), (42, 499663710), (45, 466352796), (49, 428283180), (52, 403574535), (54, 388627330), (57, 368173260), (60, 349764597), (63, 333109140), (65, 322859628), (70, 299798226), (76, 276129945), (78, 269049690), (84, 249831855), (90, 233176398), (91, 230614020), (95, 220903956), (98, 214141590), (105, 199865484), (108, 194313665), (114, 184086630), (117, 179366460), (126, 166554570), (130, 161429814), (133, 157788540), (135, 155450932), (140, 149899113), (147, 142761060), (156, 134524845), (169, 124176780), (171, 122724420), (180, 116588199), (182, 115307010), (189, 111036380), (190, 110451978), (195, 107619876), (196, 107070795), (210, 99932742), (228, 92043315), (234, 89683230), (245, 85656636), (247, 84963060), (252, 83277285), (260, 80714907), (266, 78894270), (270, 77725466), (273, 76871340), (285, 73634652), (294, 71380530), (315, 66621828), (338, 62088390), (342, 61362210), (351, 59788820), (361, 58132620), (364, 57653505), (378, 55518190), (380, 55225989), (390, 53809938), (399, 52596180), (420, 49966371), (441, 47587020), (455, 46122804), (468, 44841615), (490, 42828318), (494, 42481530), (507, 41392260), (513, 40908140), (532, 39447135), (540, 38862733), (546, 38435670), (570, 36817326), (585, 35873292), (588, 35690265), (630, 33310914), (637, 32944860), (665, 31557708), (676, 31044195), (684, 30681105), (702, 29894410), (722, 29066310), (735, 28552212), (741, 28321020), (756, 27759095), (780, 26904969), (798, 26298090), (819, 25623780), (845, 24835356), (855, 24544884), (882, 23793510), (910, 23061402), (931, 22541220), (945, 22207276), (980, 21414159), (988, 21240765), (1014, 20696130), (1026, 20454070), (1083, 19377540), (1092, 19217835), (1140, 18408663), (1170, 17936646), (1183, 17739540), (1197, 17532060), (1235, 16992612), (1260, 16655457), (1274, 16472430), (1323, 15862340), (1330, 15778854), (1365, 15374268), (1404, 14947205), (1444, 14533155), (1470, 14276106), (1482, 14160510), (1521, 13797420), (1596, 13149045), (1638, 12811890), (1690, 12417678), (1710, 12272442), (1729, 12137580), (1755, 11957764), (1764, 11896755), (1805, 11626524), (1820, 11530701), (1862, 11270610), (1890, 11103638), (1911, 10981620), (1995, 10519236), (2028, 10348065), (2052, 10227035), (2166, 9688770), (2197, 9552060), (2205, 9517404), (2223, 9440340), (2340, 8968323), (2366, 8869770), (2394, 8766030), (2457, 8541260), (2470, 8496306), (2527, 8304660), (2535, 8278452), (2548, 8236215), (2565, 8181628), (2646, 7931170), (2660, 7889427), (2730, 7687134), (2793, 7513740), (2940, 7138053), (2964, 7080255), (3042, 6898710), (3185, 6588972), (3211, 6535620), (3249, 6459180), (3276, 6405945), (3380, 6208839), (3420, 6136221), (3458, 6068790), (3510, 5978882), (3549, 5913180), (3591, 5844020), (3610, 5813262), (3705, 5664204), (3724, 5635305), (3780, 5551819), (3822, 5490810), (3990, 5259618), (4095, 5124756), (4332, 4844385), (4394, 4776030), (4410, 4758702), (4446, 4720170), (4563, 4599140), (4655, 4508244), (4693, 4471740), (4732, 4434885), (4788, 4383015), (4914, 4270630), (4940, 4248153), (5054, 4152330), (5070, 4139226), (5130, 4090814), (5187, 4045860), (5292, 3965585), (5415, 3875508), (5460, 3843567), (5586, 3756870), (5733, 3660540), (5915, 3547908), (5985, 3506412), (6084, 3449355), (6370, 3294486), (6422, 3267810), (6498, 3229590), (6591, 3184020), (6615, 3172468), (6669, 3146780), (6916, 3034395), (7020, 2989441), (7098, 2956590), (7182, 2922010), (7220, 2906631), (7410, 2832102), (7581, 2768220), (7605, 2759484), (7644, 2745405), (7980, 2629809), (8190, 2562378), (8281, 2534220), (8379, 2504580), (8645, 2427516), (8788, 2388015), (8820, 2379351), (8892, 2360085), (9126, 2299570), (9310, 2254122), (9386, 2235870), (9555, 2196324), (9633, 2178540), (9747, 2153060), (9828, 2135315), (10108, 2076165), (10140, 2069613), (10260, 2045407), (10374, 2022930), (10647, 1971060), (10830, 1937754), (10985, 1910412), (11115, 1888068), (11172, 1878435), (11466, 1830270), (11830, 1773954), (11970, 1753206), (12103, 1733940), (12285, 1708252), (12635, 1660932), (12740, 1647243), (12844, 1633905), (12996, 1614795), (13182, 1592010), (13230, 1586234), (13338, 1573390), (13965, 1502748), (14079, 1490580), (14196, 1478295), (14364, 1461005), (14820, 1416051), (15162, 1384110), (15210, 1379742), (15379, 1364580), (15561, 1348620), (16055, 1307124), (16245, 1291836), (16380, 1281189), (16562, 1267110), (16758, 1252290), (17199, 1220180), (17290, 1213758), (17689, 1186380), (17745, 1182636), (17955, 1168804), (18252, 1149785), (18620, 1127061), (18772, 1117935), (19110, 1098162), (19266, 1089270), (19494, 1076530), (19773, 1061340), (20748, 1011465), (21294, 985530), (21660, 968877), (21970, 955206), (22230, 944034), (22477, 933660), (22743, 922740), (22815, 919828), (22932, 915135), (23465, 894348), (23660, 886977), (23940, 876603), (24206, 866970), (24570, 854126), (24843, 844740), (25137, 834860), (25270, 830466), (25935, 809172), (26364, 796005), (26460, 793117), (26676, 786695), (27930, 751374), (28158, 745290), (28665, 732108), (28899, 726180), (30324, 692055), (30420, 689871), (30758, 682290), (31122, 674310), (31941, 657020), (32110, 653562), (32490, 645918), (32851, 638820), (32955, 636804), (33124, 633555), (33345, 629356), (33516, 626145), (34398, 610090), (34580, 606879), (35378, 593190), (35490, 591318), (35910, 584402), (36309, 577980), (37905, 553644), (38220, 549081), (38532, 544635), (38988, 538265), (39546, 530670), (41405, 506844), (41743, 502740), (41895, 500916), (42237, 496860), (42588, 492765), (43940, 477603), (44460, 472017), (44954, 466830), (45486, 461370), (45630, 459914), (46137, 454860), (46683, 449540), (46930, 447174), (48165, 435708), (48412, 433485), (48735, 430612), (49140, 427063), (49686, 422370), (50274, 417430), (50540, 415233), (51870, 404586), (53067, 395460), (53235, 394212), (55860, 375687), (56316, 372645), (57330, 366054), (57798, 363090), (59319, 353780), (60515, 346788), (61009, 343980), (61516, 341145), (62244, 337155), (63882, 328510), (64220, 326781), (64980, 322959), (65702, 319410), (65910, 318402), (66690, 314678), (67431, 311220), (68229, 307580), (68796, 305045), (70395, 298116), (70756, 296595), (70980, 295659), (71820, 292201), (72618, 288990), (74529, 281580), (75810, 276822), (76895, 272916), (77805, 269724), (79092, 265335), (82810, 253422), (83486, 251370), (83790, 250458), (84474, 248430), (85995, 244036), (86697, 242060), (88445, 237276), (89908, 233415), (90972, 230685), (91260, 229957), (92274, 227430), (93366, 224770), (93860, 223587), (96330, 217854), (97470, 215306), (98553, 212940), (98865, 212268), (99372, 211185), (100548, 208715), (103740, 202293), (106134, 197730), (106470, 197106), (107653, 194940), (108927, 192660), (112385, 186732), (113715, 184548), (114660, 183027), (115596, 181545), (118638, 176890), (121030, 173394), (122018, 171990), (124215, 168948), (125229, 167580), (125685, 166972), (126711, 165620), (127764, 164255), (131404, 159705), (131820, 159201), (133380, 157339), (134862, 155610), (136458, 153790), (138411, 151620), (140790, 149058), (144495, 145236)]