20955128880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 960

約数和(自身を含む): 87684387840

約数和(自身を除く): 66729258960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 23, 24, 28, 30, 34, 35, 38, 40, 42, 46, 48, 51, 56, 57, 60, 68, 69, 70, 73, 76, 80, 84, 85, 92, 95, 102, 105, 112, 114, 115, 119, 120, 133, 136, 138, 140, 146, 152, 161, 168, 170, 184, 190, 204, 210, 219, 228, 230, 238, 240, 255, 266, 272, 276, 280, 285, 292, 304, 322, 323, 336, 340, 345, 357, 365, 368, 380, 391, 399, 408, 420, 437, 438, 456, 460, 476, 483, 510, 511, 529, 532, 552, 560, 570, 584, 595, 644, 646, 665, 680, 690, 714, 730, 760, 782, 798, 805, 816, 840, 874, 876, 912, 920, 952, 966, 969, 1020, 1022, 1058, 1064, 1095, 1104, 1140, 1168, 1173, 1190, 1241, 1288, 1292, 1311, 1330, 1360, 1380, 1387, 1428, 1460, 1520, 1533, 1564, 1587, 1596, 1610, 1615, 1679, 1680, 1748, 1752, 1785, 1840, 1904, 1932, 1938, 1955, 1995, 2040, 2044, 2116, 2128, 2185, 2190, 2261, 2280, 2346, 2380, 2415, 2482, 2555, 2576, 2584, 2622, 2645, 2660, 2737, 2760, 2774, 2856, 2920, 3059, 3066, 3128, 3174, 3192, 3220, 3230, 3358, 3496, 3504, 3570, 3703, 3723, 3864, 3876, 3910, 3990, 4080, 4088, 4161, 4232, 4370, 4380, 4522, 4560, 4692, 4760, 4830, 4845, 4964, 5037, 5110, 5168, 5244, 5290, 5320, 5474, 5520, 5548, 5712, 5840, 5865, 6118, 6132, 6205, 6256, 6348, 6384, 6440, 6460, 6555, 6716, 6783, 6935, 6992, 7140, 7406, 7429, 7446, 7665, 7728, 7752, 7820, 7935, 7980, 8176, 8211, 8322, 8395, 8464, 8687, 8740, 8760, 8993, 9044, 9177, 9384, 9520, 9660, 9690, 9709, 9928, 10051, 10074, 10220, 10488, 10580, 10640, 10948, 11096, 11109, 11305, 11730, 11753, 12236, 12264, 12410, 12696, 12880, 12920, 13110, 13432, 13566, 13685, 13870, 14280, 14812, 14858, 14892, 15295, 15330, 15504, 15640, 15870, 15960, 16422, 16644, 16790, 17374, 17480, 17520, 17986, 18088, 18354, 18515, 18615, 18768, 19320, 19380, 19418, 19856, 20102, 20148, 20440, 20805, 20976, 21160, 21896, 22192, 22218, 22287, 22610, 23460, 23506, 23579, 24472, 24528, 24820, 25185, 25392, 25840, 26061, 26220, 26864, 26979, 27132, 27370, 27740, 28543, 28560, 29127, 29624, 29716, 29784, 30153, 30590, 30660, 31280, 31740, 31901, 31920, 32844, 33288, 33580, 33915, 34748, 34960, 35259, 35972, 36176, 36708, 37030, 37145, 37230, 38617, 38640, 38760, 38836, 40204, 40296, 40880, 41055, 41610, 42320, 43435, 43792, 44436, 44574, 44965, 45220, 45885, 46920, 47012, 47158, 48545, 48944, 49640, 50255, 50370, 52003, 52122, 52440, 53958, 54264, 54740, 55480, 55545, 57086, 58254, 58765, 59248, 59432, 59568, 60306, 61180, 61320, 62951, 63480, 63802, 65688, 66576, 67160, 67830, 69496, 70357, 70518, 70737, 71944, 73416, 74060, 74290, 74460, 77234, 77520, 77672, 80408, 80592, 82110, 83220, 85629, 86870, 88872, 89148, 89930, 90440, 91770, 93840, 94024, 94316, 95703, 97090, 99280, 100510, 100740, 104006, 104244, 104880, 107916, 108528, 109480, 110960, 111090, 111435, 114172, 115851, 116508, 117530, 117895, 118864, 120612, 122360, 122640, 125902, 126960, 127604, 130305, 131376, 134320, 134895, 135660, 138992, 140714, 141036, 141474, 142715, 143888, 145635, 146832, 148120, 148580, 148920, 150765, 154468, 155344, 156009, 159505, 160816, 164220, 165053, 166440, 170867, 171258, 173740, 176295, 177744, 178296, 179860, 180880, 183540, 188048, 188632, 188853, 191406, 193085, 194180, 199801, 201020, 201480, 208012, 208488, 211071, 215832, 218960, 222180, 222870, 223307, 228344, 231702, 233016, 235060, 235790, 241224, 244720, 251804, 255208, 260015, 260610, 269790, 270319, 271320, 281428, 282072, 282948, 285430, 291270, 296240, 297160, 297840, 301530, 308936, 312018, 314755, 319010, 328440, 330106, 332880, 341734, 342516, 347480, 351785, 352590, 353685, 356592, 359720, 367080, 377264, 377706, 382812, 386170, 388360, 399602, 402040, 402960, 416024, 416976, 422142, 428145, 431664, 444360, 445740, 446614, 456688, 463404, 466032, 470120, 471580, 478515, 482448, 495159, 503608, 510416, 512601, 520030, 521220, 539580, 540638, 542317, 542640, 562856, 564144, 565896, 570860, 579255, 582540, 594320, 599403, 603060, 617872, 624036, 629510, 638020, 656489, 656880, 660212, 669921, 683468, 685032, 694960, 703570, 705180, 707370, 719440, 733723, 734160, 755412, 765624, 772340, 776720, 780045, 799204, 804080, 810957, 825265, 832048, 844284, 854335, 856290, 888720, 891480, 893228, 926808, 940240, 943160, 944265, 957030, 990318, 999005, 1007216, 1025202, 1040060, 1042440, 1055355, 1079160, 1081276, 1084634, 1116535, 1125712, 1131792, 1141720, 1158510, 1165080, 1196069, 1198806, 1206120, 1248072, 1259020, 1276040, 1312978, 1320424, 1339842, 1351595, 1366936, 1370064, 1407140, 1410360, 1414740, 1467446, 1510824, 1531248, 1544680, 1560090, 1598408, 1621914, 1626951, 1650530, 1688568, 1708670, 1712580, 1782960, 1786456, 1853616, 1886320, 1888530, 1914060, 1969467, 1980636, 1998010, 2050404, 2080120, 2084880, 2110710, 2158320, 2162552, 2169268, 2201169, 2233070, 2283440, 2317020, 2330160, 2392138, 2397612, 2412240, 2475795, 2496144, 2518040, 2552080, 2563005, 2625956, 2640848, 2679684, 2703190, 2711585, 2733872, 2814280, 2820720, 2829480, 2934892, 2997015, 3021648, 3089360, 3120180, 3196816, 3243828, 3253902, 3282445, 3301060, 3349605, 3377136, 3417340, 3425160, 3572912, 3588207, 3668615, 3777060, 3796219, 3828120, 3938934, 3961272, 3996020, 4054785, 4100808, 4160240, 4221420, 4325104, 4338536, 4402338, 4466140, 4595423, 4634040, 4784276, 4795224, 4951590, 5036080, 5126010, 5136061, 5251912, 5359368, 5406380, 5423170, 5628560, 5658960, 5869784, 5980345, 5994030, 6240360, 6487656, 6507804, 6564890, 6602120, 6699210, 6834680, 6850320, 7176414, 7337230, 7554120, 7592438, 7656240, 7877868, 7922544, 7992040, 8109570, 8134755, 8201616, 8442840, 8677072, 8804676, 8932280, 9190846, 9268080, 9568552, 9590448, 9847335, 9903180, 10252020, 10272122, 10503824, 10718736, 10812760, 10846340, 11005845, 11388657, 11739568, 11960690, 11988060, 12473291, 12480720, 12975312, 13015608, 13129780, 13204240, 13398420, 13669360, 13786269, 14352828, 14674460, 15108240, 15184876, 15408183, 15755736, 15984080, 16219140, 16269510, 16885680, 17609352, 17864560, 17941035, 18381692, 18981095, 19137104, 19694670, 19806360, 20504040, 20544244, 21625520, 21692680, 22011690, 22777314, 22977115, 23921380, 23976120, 24946582, 25680305, 26031216, 26259560, 26796840, 27572538, 28705656, 29348920, 30369752, 30816366, 31511472, 32438280, 32539020, 35218704, 35882070, 36763384, 37419873, 37962190, 39389340, 39612720, 41008080, 41088488, 43385360, 44023380, 45554628, 45954230, 47842760, 47952240, 49893164, 51360610, 52519120, 53593680, 55145076, 56943285, 57411312, 58697840, 60739504, 61632732, 62366455, 64876560, 65078040, 68931345, 71764140, 73526768, 74839746, 75924380, 77040915, 78778680, 82176976, 87313037, 88046760, 91109256, 91908460, 95685520, 99786328, 102721220, 110290152, 113886570, 123265464, 124732910, 130156080, 137862690, 143528280, 149679492, 151848760, 154081830, 157557360, 174626074, 176093520, 182218512, 183816920, 187099365, 199572656, 205442440, 220580304, 227773140, 246530928, 249465820, 261939111, 275725380, 287056560, 299358984, 303697520, 308163660, 349252148, 367633840, 374198730, 410884880, 436565185, 455546280, 498931640, 523878222, 551450760, 598717968, 616327320, 698504296, 748397460, 873130370, 911092560, 997863280, 1047756444, 1102901520, 1232654640, 1309695555, 1397008592, 1496794920, 1746260740, 2095512888, 2619391110, 2993589840, 3492521480, 4191025776, 5238782220, 6985042960, 10477564440, 20955128880]

約数ペア:

[(1, 20955128880), (2, 10477564440), (3, 6985042960), (4, 5238782220), (5, 4191025776), (6, 3492521480), (7, 2993589840), (8, 2619391110), (10, 2095512888), (12, 1746260740), (14, 1496794920), (15, 1397008592), (16, 1309695555), (17, 1232654640), (19, 1102901520), (20, 1047756444), (21, 997863280), (23, 911092560), (24, 873130370), (28, 748397460), (30, 698504296), (34, 616327320), (35, 598717968), (38, 551450760), (40, 523878222), (42, 498931640), (46, 455546280), (48, 436565185), (51, 410884880), (56, 374198730), (57, 367633840), (60, 349252148), (68, 308163660), (69, 303697520), (70, 299358984), (73, 287056560), (76, 275725380), (80, 261939111), (84, 249465820), (85, 246530928), (92, 227773140), (95, 220580304), (102, 205442440), (105, 199572656), (112, 187099365), (114, 183816920), (115, 182218512), (119, 176093520), (120, 174626074), (133, 157557360), (136, 154081830), (138, 151848760), (140, 149679492), (146, 143528280), (152, 137862690), (161, 130156080), (168, 124732910), (170, 123265464), (184, 113886570), (190, 110290152), (204, 102721220), (210, 99786328), (219, 95685520), (228, 91908460), (230, 91109256), (238, 88046760), (240, 87313037), (255, 82176976), (266, 78778680), (272, 77040915), (276, 75924380), (280, 74839746), (285, 73526768), (292, 71764140), (304, 68931345), (322, 65078040), (323, 64876560), (336, 62366455), (340, 61632732), (345, 60739504), (357, 58697840), (365, 57411312), (368, 56943285), (380, 55145076), (391, 53593680), (399, 52519120), (408, 51360610), (420, 49893164), (437, 47952240), (438, 47842760), (456, 45954230), (460, 45554628), (476, 44023380), (483, 43385360), (510, 41088488), (511, 41008080), (529, 39612720), (532, 39389340), (552, 37962190), (560, 37419873), (570, 36763384), (584, 35882070), (595, 35218704), (644, 32539020), (646, 32438280), (665, 31511472), (680, 30816366), (690, 30369752), (714, 29348920), (730, 28705656), (760, 27572538), (782, 26796840), (798, 26259560), (805, 26031216), (816, 25680305), (840, 24946582), (874, 23976120), (876, 23921380), (912, 22977115), (920, 22777314), (952, 22011690), (966, 21692680), (969, 21625520), (1020, 20544244), (1022, 20504040), (1058, 19806360), (1064, 19694670), (1095, 19137104), (1104, 18981095), (1140, 18381692), (1168, 17941035), (1173, 17864560), (1190, 17609352), (1241, 16885680), (1288, 16269510), (1292, 16219140), (1311, 15984080), (1330, 15755736), (1360, 15408183), (1380, 15184876), (1387, 15108240), (1428, 14674460), (1460, 14352828), (1520, 13786269), (1533, 13669360), (1564, 13398420), (1587, 13204240), (1596, 13129780), (1610, 13015608), (1615, 12975312), (1679, 12480720), (1680, 12473291), (1748, 11988060), (1752, 11960690), (1785, 11739568), (1840, 11388657), (1904, 11005845), (1932, 10846340), (1938, 10812760), (1955, 10718736), (1995, 10503824), (2040, 10272122), (2044, 10252020), (2116, 9903180), (2128, 9847335), (2185, 9590448), (2190, 9568552), (2261, 9268080), (2280, 9190846), (2346, 8932280), (2380, 8804676), (2415, 8677072), (2482, 8442840), (2555, 8201616), (2576, 8134755), (2584, 8109570), (2622, 7992040), (2645, 7922544), (2660, 7877868), (2737, 7656240), (2760, 7592438), (2774, 7554120), (2856, 7337230), (2920, 7176414), (3059, 6850320), (3066, 6834680), (3128, 6699210), (3174, 6602120), (3192, 6564890), (3220, 6507804), (3230, 6487656), (3358, 6240360), (3496, 5994030), (3504, 5980345), (3570, 5869784), (3703, 5658960), (3723, 5628560), (3864, 5423170), (3876, 5406380), (3910, 5359368), (3990, 5251912), (4080, 5136061), (4088, 5126010), (4161, 5036080), (4232, 4951590), (4370, 4795224), (4380, 4784276), (4522, 4634040), (4560, 4595423), (4692, 4466140), (4760, 4402338), (4830, 4338536), (4845, 4325104), (4964, 4221420), (5037, 4160240), (5110, 4100808), (5168, 4054785), (5244, 3996020), (5290, 3961272), (5320, 3938934), (5474, 3828120), (5520, 3796219), (5548, 3777060), (5712, 3668615), (5840, 3588207), (5865, 3572912), (6118, 3425160), (6132, 3417340), (6205, 3377136), (6256, 3349605), (6348, 3301060), (6384, 3282445), (6440, 3253902), (6460, 3243828), (6555, 3196816), (6716, 3120180), (6783, 3089360), (6935, 3021648), (6992, 2997015), (7140, 2934892), (7406, 2829480), (7429, 2820720), (7446, 2814280), (7665, 2733872), (7728, 2711585), (7752, 2703190), (7820, 2679684), (7935, 2640848), (7980, 2625956), (8176, 2563005), (8211, 2552080), (8322, 2518040), (8395, 2496144), (8464, 2475795), (8687, 2412240), (8740, 2397612), (8760, 2392138), (8993, 2330160), (9044, 2317020), (9177, 2283440), (9384, 2233070), (9520, 2201169), (9660, 2169268), (9690, 2162552), (9709, 2158320), (9928, 2110710), (10051, 2084880), (10074, 2080120), (10220, 2050404), (10488, 1998010), (10580, 1980636), (10640, 1969467), (10948, 1914060), (11096, 1888530), (11109, 1886320), (11305, 1853616), (11730, 1786456), (11753, 1782960), (12236, 1712580), (12264, 1708670), (12410, 1688568), (12696, 1650530), (12880, 1626951), (12920, 1621914), (13110, 1598408), (13432, 1560090), (13566, 1544680), (13685, 1531248), (13870, 1510824), (14280, 1467446), (14812, 1414740), (14858, 1410360), (14892, 1407140), (15295, 1370064), (15330, 1366936), (15504, 1351595), (15640, 1339842), (15870, 1320424), (15960, 1312978), (16422, 1276040), (16644, 1259020), (16790, 1248072), (17374, 1206120), (17480, 1198806), (17520, 1196069), (17986, 1165080), (18088, 1158510), (18354, 1141720), (18515, 1131792), (18615, 1125712), (18768, 1116535), (19320, 1084634), (19380, 1081276), (19418, 1079160), (19856, 1055355), (20102, 1042440), (20148, 1040060), (20440, 1025202), (20805, 1007216), (20976, 999005), (21160, 990318), (21896, 957030), (22192, 944265), (22218, 943160), (22287, 940240), (22610, 926808), (23460, 893228), (23506, 891480), (23579, 888720), (24472, 856290), (24528, 854335), (24820, 844284), (25185, 832048), (25392, 825265), (25840, 810957), (26061, 804080), (26220, 799204), (26864, 780045), (26979, 776720), (27132, 772340), (27370, 765624), (27740, 755412), (28543, 734160), (28560, 733723), (29127, 719440), (29624, 707370), (29716, 705180), (29784, 703570), (30153, 694960), (30590, 685032), (30660, 683468), (31280, 669921), (31740, 660212), (31901, 656880), (31920, 656489), (32844, 638020), (33288, 629510), (33580, 624036), (33915, 617872), (34748, 603060), (34960, 599403), (35259, 594320), (35972, 582540), (36176, 579255), (36708, 570860), (37030, 565896), (37145, 564144), (37230, 562856), (38617, 542640), (38640, 542317), (38760, 540638), (38836, 539580), (40204, 521220), (40296, 520030), (40880, 512601), (41055, 510416), (41610, 503608), (42320, 495159), (43435, 482448), (43792, 478515), (44436, 471580), (44574, 470120), (44965, 466032), (45220, 463404), (45885, 456688), (46920, 446614), (47012, 445740), (47158, 444360), (48545, 431664), (48944, 428145), (49640, 422142), (50255, 416976), (50370, 416024), (52003, 402960), (52122, 402040), (52440, 399602), (53958, 388360), (54264, 386170), (54740, 382812), (55480, 377706), (55545, 377264), (57086, 367080), (58254, 359720), (58765, 356592), (59248, 353685), (59432, 352590), (59568, 351785), (60306, 347480), (61180, 342516), (61320, 341734), (62951, 332880), (63480, 330106), (63802, 328440), (65688, 319010), (66576, 314755), (67160, 312018), (67830, 308936), (69496, 301530), (70357, 297840), (70518, 297160), (70737, 296240), (71944, 291270), (73416, 285430), (74060, 282948), (74290, 282072), (74460, 281428), (77234, 271320), (77520, 270319), (77672, 269790), (80408, 260610), (80592, 260015), (82110, 255208), (83220, 251804), (85629, 244720), (86870, 241224), (88872, 235790), (89148, 235060), (89930, 233016), (90440, 231702), (91770, 228344), (93840, 223307), (94024, 222870), (94316, 222180), (95703, 218960), (97090, 215832), (99280, 211071), (100510, 208488), (100740, 208012), (104006, 201480), (104244, 201020), (104880, 199801), (107916, 194180), (108528, 193085), (109480, 191406), (110960, 188853), (111090, 188632), (111435, 188048), (114172, 183540), (115851, 180880), (116508, 179860), (117530, 178296), (117895, 177744), (118864, 176295), (120612, 173740), (122360, 171258), (122640, 170867), (125902, 166440), (126960, 165053), (127604, 164220), (130305, 160816), (131376, 159505), (134320, 156009), (134895, 155344), (135660, 154468), (138992, 150765), (140714, 148920), (141036, 148580), (141474, 148120), (142715, 146832), (143888, 145635)]