20175458940

素因数分解:

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

素因数の和:91

約数の個数: 864

約数和(自身を含む): 83934789120

約数和(自身を除く): 63759330180

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, 81, 84, 90, 91, 95, 98, 105, 108, 114, 117, 126, 130, 133, 135, 140, 147, 156, 162, 171, 180, 182, 189, 190, 195, 196, 210, 228, 234, 243, 245, 247, 252, 260, 266, 270, 273, 285, 294, 315, 324, 342, 343, 351, 364, 378, 380, 390, 399, 405, 420, 441, 455, 468, 486, 490, 494, 513, 532, 540, 546, 567, 570, 585, 588, 630, 637, 665, 684, 686, 702, 735, 741, 756, 780, 798, 810, 819, 855, 882, 910, 931, 945, 972, 980, 988, 1026, 1029, 1053, 1092, 1134, 1140, 1170, 1197, 1215, 1235, 1260, 1274, 1323, 1330, 1365, 1372, 1404, 1470, 1482, 1539, 1596, 1620, 1638, 1701, 1710, 1715, 1729, 1755, 1764, 1820, 1862, 1890, 1911, 1995, 2052, 2058, 2106, 2205, 2223, 2268, 2340, 2394, 2401, 2430, 2457, 2470, 2548, 2565, 2646, 2660, 2730, 2793, 2835, 2940, 2964, 3078, 3087, 3159, 3185, 3276, 3402, 3420, 3430, 3458, 3510, 3591, 3705, 3724, 3780, 3822, 3969, 3990, 4095, 4116, 4212, 4410, 4446, 4459, 4617, 4655, 4788, 4802, 4860, 4914, 4940, 5130, 5145, 5187, 5265, 5292, 5460, 5586, 5670, 5733, 5985, 6156, 6174, 6318, 6370, 6517, 6615, 6669, 6804, 6860, 6916, 7020, 7182, 7203, 7371, 7410, 7644, 7695, 7938, 7980, 8190, 8379, 8505, 8645, 8820, 8892, 8918, 9234, 9261, 9310, 9555, 9604, 9828, 10260, 10290, 10374, 10530, 10773, 11115, 11172, 11340, 11466, 11907, 11970, 12005, 12103, 12285, 12348, 12636, 12740, 13034, 13230, 13338, 13377, 13965, 14364, 14406, 14742, 14820, 15390, 15435, 15561, 15795, 15876, 16380, 16758, 16807, 17010, 17199, 17290, 17836, 17955, 18468, 18522, 18620, 19110, 19551, 19845, 20007, 20580, 20748, 21060, 21546, 21609, 22113, 22230, 22295, 22932, 23085, 23814, 23940, 24010, 24206, 24570, 25137, 25935, 26068, 26460, 26676, 26754, 27783, 27930, 28665, 28812, 29484, 30780, 30870, 31122, 31213, 31590, 32319, 32585, 33345, 33516, 33614, 34020, 34398, 34580, 35910, 36015, 36309, 36855, 37044, 38220, 39102, 39690, 40014, 40131, 41895, 43092, 43218, 44226, 44460, 44590, 45619, 46170, 46305, 46683, 47628, 48020, 48412, 49140, 50274, 50421, 51597, 51870, 53508, 53865, 55566, 55860, 57330, 58653, 59535, 60021, 60515, 61740, 62244, 62426, 63180, 64638, 64827, 65170, 66690, 66885, 67228, 68796, 71820, 72030, 72618, 73710, 75411, 77805, 78204, 79380, 80028, 80262, 83349, 83790, 84035, 84721, 85995, 86436, 88452, 89180, 91238, 92340, 92610, 93366, 93639, 97755, 100035, 100548, 100842, 103194, 103740, 107730, 108045, 108927, 110565, 111132, 114660, 117306, 119070, 120042, 120393, 121030, 124852, 125685, 129276, 129654, 130340, 133380, 133770, 136857, 138915, 140049, 144060, 145236, 147420, 150822, 151263, 154791, 155610, 156065, 160524, 161595, 166698, 167580, 168070, 169442, 171990, 175959, 181545, 182476, 185220, 186732, 187278, 194481, 195510, 200070, 200655, 201684, 206388, 215460, 216090, 217854, 218491, 221130, 226233, 228095, 233415, 234612, 238140, 240084, 240786, 242060, 251370, 252105, 254163, 257985, 259308, 267540, 273714, 277830, 280098, 280917, 293265, 300105, 301644, 302526, 309582, 311220, 312130, 319333, 323190, 324135, 326781, 333396, 336140, 338884, 343980, 351918, 361179, 363090, 374556, 377055, 388962, 391020, 400140, 401310, 410571, 416745, 420147, 423605, 432180, 435708, 436982, 442260, 452466, 453789, 456190, 466830, 468195, 481572, 502740, 504210, 508326, 515970, 527877, 544635, 547428, 555660, 560196, 561834, 583443, 586530, 593047, 600210, 601965, 605052, 619164, 624260, 638666, 646380, 648270, 653562, 655473, 684285, 700245, 703836, 722358, 726180, 754110, 756315, 762489, 773955, 777924, 802620, 821142, 833490, 840294, 842751, 847210, 873964, 879795, 904932, 907578, 912380, 933660, 936390, 957999, 972405, 980343, 1008420, 1016652, 1031940, 1055754, 1083537, 1089270, 1092455, 1123668, 1131165, 1166886, 1173060, 1186094, 1200420, 1203930, 1231713, 1270815, 1277332, 1296540, 1307124, 1310946, 1361367, 1368570, 1400490, 1404585, 1444716, 1508220, 1512630, 1524978, 1547910, 1583631, 1596665, 1633905, 1642284, 1666980, 1680588, 1685502, 1694420, 1759590, 1779141, 1805895, 1815156, 1872780, 1915998, 1944810, 1960686, 1966419, 2052855, 2100735, 2111508, 2167074, 2178540, 2184910, 2262330, 2268945, 2287467, 2333772, 2372188, 2407860, 2463426, 2528253, 2541630, 2621892, 2639385, 2722734, 2737140, 2800980, 2809170, 2873997, 2917215, 2941029, 2965235, 3025260, 3049956, 3095820, 3167262, 3193330, 3267810, 3277365, 3371004, 3519180, 3558282, 3611790, 3695139, 3812445, 3831996, 3889620, 3921372, 3932838, 4084101, 4105710, 4151329, 4201470, 4213755, 4334148, 4369820, 4524660, 4537890, 4574934, 4789995, 4901715, 4926852, 5056506, 5083260, 5278770, 5337423, 5417685, 5445468, 5618340, 5747994, 5834430, 5882058, 5899257, 5930470, 6158565, 6334524, 6386660, 6535620, 6554730, 6806835, 6862401, 7116564, 7223580, 7390278, 7584759, 7624890, 7865676, 7918155, 8168202, 8211420, 8302658, 8402940, 8427510, 8621991, 8895705, 9075780, 9149868, 9579990, 9803430, 9832095, 10113012, 10557540, 10674846, 10835370, 11085417, 11437335, 11495988, 11668860, 11764116, 11798514, 11860940, 12317130, 12453987, 12641265, 13109460, 13613670, 13724802, 14369985, 14705145, 14780556, 15169518, 15249780, 15836310, 16012269, 16336404, 16605316, 16855020, 17243982, 17697771, 17791410, 18475695, 19159980, 19606860, 19664190, 20420505, 20587203, 20756645, 21349692, 21670740, 22170834, 22874670, 23597028, 24634260, 24907974, 25282530, 25865973, 26687115, 27227340, 27449604, 28739970, 29410290, 29496285, 30339036, 31672620, 32024538, 34312005, 34487964, 35395542, 35582820, 36951390, 37361961, 37923795, 39328380, 40841010, 41174406, 41513290, 43109955, 44341668, 45749340, 48036807, 49815948, 50565060, 51731946, 53093313, 53374230, 55427085, 57479940, 58820580, 58992570, 62269935, 64049076, 68624010, 70791084, 73902780, 74723922, 75847590, 77597919, 80061345, 81682020, 82348812, 83026580, 86219910, 88488855, 96073614, 102936015, 103463892, 106186626, 106748460, 110854170, 112085883, 117985140, 124539870, 129329865, 137248020, 144110421, 149447844, 151695180, 155195838, 160122690, 172439820, 176977710, 186809805, 192147228, 205872030, 212373252, 221708340, 224171766, 240184035, 249079740, 258659730, 265466565, 288220842, 310391676, 320245380, 336257649, 353955420, 373619610, 387989595, 411744060, 448343532, 480368070, 517319460, 530933130, 560429415, 576441684, 672515298, 720552105, 747239220, 775979190, 960736140, 1008772947, 1061866260, 1120858830, 1345030596, 1441104210, 1551958380, 1681288245, 2017545894, 2241717660, 2882208420, 3362576490, 4035091788, 5043864735, 6725152980, 10087729470, 20175458940]

約数ペア:

[(1, 20175458940), (2, 10087729470), (3, 6725152980), (4, 5043864735), (5, 4035091788), (6, 3362576490), (7, 2882208420), (9, 2241717660), (10, 2017545894), (12, 1681288245), (13, 1551958380), (14, 1441104210), (15, 1345030596), (18, 1120858830), (19, 1061866260), (20, 1008772947), (21, 960736140), (26, 775979190), (27, 747239220), (28, 720552105), (30, 672515298), (35, 576441684), (36, 560429415), (38, 530933130), (39, 517319460), (42, 480368070), (45, 448343532), (49, 411744060), (52, 387989595), (54, 373619610), (57, 353955420), (60, 336257649), (63, 320245380), (65, 310391676), (70, 288220842), (76, 265466565), (78, 258659730), (81, 249079740), (84, 240184035), (90, 224171766), (91, 221708340), (95, 212373252), (98, 205872030), (105, 192147228), (108, 186809805), (114, 176977710), (117, 172439820), (126, 160122690), (130, 155195838), (133, 151695180), (135, 149447844), (140, 144110421), (147, 137248020), (156, 129329865), (162, 124539870), (171, 117985140), (180, 112085883), (182, 110854170), (189, 106748460), (190, 106186626), (195, 103463892), (196, 102936015), (210, 96073614), (228, 88488855), (234, 86219910), (243, 83026580), (245, 82348812), (247, 81682020), (252, 80061345), (260, 77597919), (266, 75847590), (270, 74723922), (273, 73902780), (285, 70791084), (294, 68624010), (315, 64049076), (324, 62269935), (342, 58992570), (343, 58820580), (351, 57479940), (364, 55427085), (378, 53374230), (380, 53093313), (390, 51731946), (399, 50565060), (405, 49815948), (420, 48036807), (441, 45749340), (455, 44341668), (468, 43109955), (486, 41513290), (490, 41174406), (494, 40841010), (513, 39328380), (532, 37923795), (540, 37361961), (546, 36951390), (567, 35582820), (570, 35395542), (585, 34487964), (588, 34312005), (630, 32024538), (637, 31672620), (665, 30339036), (684, 29496285), (686, 29410290), (702, 28739970), (735, 27449604), (741, 27227340), (756, 26687115), (780, 25865973), (798, 25282530), (810, 24907974), (819, 24634260), (855, 23597028), (882, 22874670), (910, 22170834), (931, 21670740), (945, 21349692), (972, 20756645), (980, 20587203), (988, 20420505), (1026, 19664190), (1029, 19606860), (1053, 19159980), (1092, 18475695), (1134, 17791410), (1140, 17697771), (1170, 17243982), (1197, 16855020), (1215, 16605316), (1235, 16336404), (1260, 16012269), (1274, 15836310), (1323, 15249780), (1330, 15169518), (1365, 14780556), (1372, 14705145), (1404, 14369985), (1470, 13724802), (1482, 13613670), (1539, 13109460), (1596, 12641265), (1620, 12453987), (1638, 12317130), (1701, 11860940), (1710, 11798514), (1715, 11764116), (1729, 11668860), (1755, 11495988), (1764, 11437335), (1820, 11085417), (1862, 10835370), (1890, 10674846), (1911, 10557540), (1995, 10113012), (2052, 9832095), (2058, 9803430), (2106, 9579990), (2205, 9149868), (2223, 9075780), (2268, 8895705), (2340, 8621991), (2394, 8427510), (2401, 8402940), (2430, 8302658), (2457, 8211420), (2470, 8168202), (2548, 7918155), (2565, 7865676), (2646, 7624890), (2660, 7584759), (2730, 7390278), (2793, 7223580), (2835, 7116564), (2940, 6862401), (2964, 6806835), (3078, 6554730), (3087, 6535620), (3159, 6386660), (3185, 6334524), (3276, 6158565), (3402, 5930470), (3420, 5899257), (3430, 5882058), (3458, 5834430), (3510, 5747994), (3591, 5618340), (3705, 5445468), (3724, 5417685), (3780, 5337423), (3822, 5278770), (3969, 5083260), (3990, 5056506), (4095, 4926852), (4116, 4901715), (4212, 4789995), (4410, 4574934), (4446, 4537890), (4459, 4524660), (4617, 4369820), (4655, 4334148), (4788, 4213755), (4802, 4201470), (4860, 4151329), (4914, 4105710), (4940, 4084101), (5130, 3932838), (5145, 3921372), (5187, 3889620), (5265, 3831996), (5292, 3812445), (5460, 3695139), (5586, 3611790), (5670, 3558282), (5733, 3519180), (5985, 3371004), (6156, 3277365), (6174, 3267810), (6318, 3193330), (6370, 3167262), (6517, 3095820), (6615, 3049956), (6669, 3025260), (6804, 2965235), (6860, 2941029), (6916, 2917215), (7020, 2873997), (7182, 2809170), (7203, 2800980), (7371, 2737140), (7410, 2722734), (7644, 2639385), (7695, 2621892), (7938, 2541630), (7980, 2528253), (8190, 2463426), (8379, 2407860), (8505, 2372188), (8645, 2333772), (8820, 2287467), (8892, 2268945), (8918, 2262330), (9234, 2184910), (9261, 2178540), (9310, 2167074), (9555, 2111508), (9604, 2100735), (9828, 2052855), (10260, 1966419), (10290, 1960686), (10374, 1944810), (10530, 1915998), (10773, 1872780), (11115, 1815156), (11172, 1805895), (11340, 1779141), (11466, 1759590), (11907, 1694420), (11970, 1685502), (12005, 1680588), (12103, 1666980), (12285, 1642284), (12348, 1633905), (12636, 1596665), (12740, 1583631), (13034, 1547910), (13230, 1524978), (13338, 1512630), (13377, 1508220), (13965, 1444716), (14364, 1404585), (14406, 1400490), (14742, 1368570), (14820, 1361367), (15390, 1310946), (15435, 1307124), (15561, 1296540), (15795, 1277332), (15876, 1270815), (16380, 1231713), (16758, 1203930), (16807, 1200420), (17010, 1186094), (17199, 1173060), (17290, 1166886), (17836, 1131165), (17955, 1123668), (18468, 1092455), (18522, 1089270), (18620, 1083537), (19110, 1055754), (19551, 1031940), (19845, 1016652), (20007, 1008420), (20580, 980343), (20748, 972405), (21060, 957999), (21546, 936390), (21609, 933660), (22113, 912380), (22230, 907578), (22295, 904932), (22932, 879795), (23085, 873964), (23814, 847210), (23940, 842751), (24010, 840294), (24206, 833490), (24570, 821142), (25137, 802620), (25935, 777924), (26068, 773955), (26460, 762489), (26676, 756315), (26754, 754110), (27783, 726180), (27930, 722358), (28665, 703836), (28812, 700245), (29484, 684285), (30780, 655473), (30870, 653562), (31122, 648270), (31213, 646380), (31590, 638666), (32319, 624260), (32585, 619164), (33345, 605052), (33516, 601965), (33614, 600210), (34020, 593047), (34398, 586530), (34580, 583443), (35910, 561834), (36015, 560196), (36309, 555660), (36855, 547428), (37044, 544635), (38220, 527877), (39102, 515970), (39690, 508326), (40014, 504210), (40131, 502740), (41895, 481572), (43092, 468195), (43218, 466830), (44226, 456190), (44460, 453789), (44590, 452466), (45619, 442260), (46170, 436982), (46305, 435708), (46683, 432180), (47628, 423605), (48020, 420147), (48412, 416745), (49140, 410571), (50274, 401310), (50421, 400140), (51597, 391020), (51870, 388962), (53508, 377055), (53865, 374556), (55566, 363090), (55860, 361179), (57330, 351918), (58653, 343980), (59535, 338884), (60021, 336140), (60515, 333396), (61740, 326781), (62244, 324135), (62426, 323190), (63180, 319333), (64638, 312130), (64827, 311220), (65170, 309582), (66690, 302526), (66885, 301644), (67228, 300105), (68796, 293265), (71820, 280917), (72030, 280098), (72618, 277830), (73710, 273714), (75411, 267540), (77805, 259308), (78204, 257985), (79380, 254163), (80028, 252105), (80262, 251370), (83349, 242060), (83790, 240786), (84035, 240084), (84721, 238140), (85995, 234612), (86436, 233415), (88452, 228095), (89180, 226233), (91238, 221130), (92340, 218491), (92610, 217854), (93366, 216090), (93639, 215460), (97755, 206388), (100035, 201684), (100548, 200655), (100842, 200070), (103194, 195510), (103740, 194481), (107730, 187278), (108045, 186732), (108927, 185220), (110565, 182476), (111132, 181545), (114660, 175959), (117306, 171990), (119070, 169442), (120042, 168070), (120393, 167580), (121030, 166698), (124852, 161595), (125685, 160524), (129276, 156065), (129654, 155610), (130340, 154791), (133380, 151263), (133770, 150822), (136857, 147420), (138915, 145236), (140049, 144060)]