20438691840

素因数分解:

$2^{12}\times 3^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 936

約数和(自身を含む): 86235896448

約数和(自身を除く): 65797204608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 62, 63, 64, 70, 72, 73, 80, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 128, 140, 144, 146, 147, 155, 160, 168, 180, 186, 192, 196, 210, 217, 219, 224, 240, 245, 248, 252, 256, 279, 280, 288, 292, 294, 310, 315, 320, 336, 360, 365, 372, 384, 392, 420, 434, 438, 441, 448, 465, 480, 490, 496, 504, 511, 512, 558, 560, 576, 584, 588, 620, 630, 640, 651, 657, 672, 720, 730, 735, 744, 768, 784, 840, 868, 876, 882, 896, 930, 960, 980, 992, 1008, 1022, 1024, 1085, 1095, 1116, 1120, 1152, 1168, 1176, 1240, 1260, 1280, 1302, 1314, 1344, 1395, 1440, 1460, 1470, 1488, 1519, 1533, 1536, 1568, 1680, 1736, 1752, 1764, 1792, 1860, 1920, 1953, 1960, 1984, 2016, 2044, 2048, 2170, 2190, 2205, 2232, 2240, 2263, 2304, 2336, 2352, 2480, 2520, 2555, 2560, 2604, 2628, 2688, 2790, 2880, 2920, 2940, 2976, 3038, 3066, 3072, 3136, 3255, 3285, 3360, 3472, 3504, 3528, 3577, 3584, 3720, 3840, 3906, 3920, 3968, 4032, 4088, 4096, 4340, 4380, 4410, 4464, 4480, 4526, 4557, 4599, 4608, 4672, 4704, 4960, 5040, 5110, 5120, 5208, 5256, 5376, 5580, 5760, 5840, 5880, 5952, 6076, 6132, 6144, 6272, 6510, 6570, 6720, 6789, 6944, 7008, 7056, 7154, 7168, 7440, 7595, 7665, 7680, 7812, 7840, 7936, 8064, 8176, 8680, 8760, 8820, 8928, 8960, 9052, 9114, 9198, 9216, 9344, 9408, 9765, 9920, 10080, 10220, 10240, 10416, 10512, 10731, 10752, 11160, 11315, 11520, 11680, 11760, 11904, 12152, 12264, 12288, 12544, 13020, 13140, 13440, 13578, 13671, 13888, 14016, 14112, 14308, 14336, 14880, 15190, 15330, 15360, 15624, 15680, 15841, 15872, 16128, 16352, 17360, 17520, 17640, 17856, 17885, 17920, 18104, 18228, 18396, 18432, 18688, 18816, 19530, 19840, 20160, 20367, 20440, 20480, 20832, 21024, 21462, 21504, 22320, 22630, 22785, 22995, 23040, 23360, 23520, 23808, 24304, 24528, 25088, 26040, 26280, 26880, 27156, 27342, 27776, 28032, 28224, 28616, 28672, 29760, 30380, 30660, 30720, 31248, 31360, 31682, 31744, 32193, 32256, 32704, 33945, 34720, 35040, 35280, 35712, 35770, 35840, 36208, 36456, 36792, 36864, 37376, 37632, 39060, 39680, 40320, 40734, 40880, 41664, 42048, 42924, 43008, 44640, 45260, 45570, 45990, 46080, 46720, 47040, 47523, 47616, 48608, 49056, 50176, 52080, 52560, 53655, 53760, 54312, 54684, 55552, 56064, 56448, 57232, 59520, 60760, 61320, 61440, 62496, 62720, 63364, 63488, 64386, 64512, 65408, 67890, 68355, 69440, 70080, 70560, 71424, 71540, 71680, 72416, 72912, 73584, 74752, 75264, 78120, 79205, 79360, 80640, 81468, 81760, 83328, 84096, 85848, 86016, 89280, 90520, 91140, 91980, 92160, 93440, 94080, 95046, 95232, 97216, 98112, 100352, 101835, 104160, 105120, 107310, 107520, 108624, 109368, 110887, 111104, 112128, 112896, 114464, 119040, 121520, 122640, 124992, 125440, 126728, 126976, 128772, 129024, 130816, 135780, 136710, 138880, 140160, 141120, 142569, 142848, 143080, 143360, 144832, 145824, 147168, 149504, 150528, 156240, 158410, 158720, 160965, 161280, 162936, 163520, 166656, 168192, 171696, 178560, 181040, 182280, 183960, 184320, 186880, 188160, 190092, 190464, 194432, 196224, 200704, 203670, 208320, 210240, 214620, 215040, 217248, 218736, 221774, 222208, 224256, 225792, 228928, 237615, 238080, 243040, 245280, 249984, 250880, 253456, 257544, 258048, 261632, 271560, 273420, 277760, 280320, 282240, 285138, 285696, 286160, 289664, 291648, 294336, 299008, 301056, 312480, 316820, 317440, 321930, 322560, 325872, 327040, 332661, 333312, 336384, 343392, 357120, 362080, 364560, 367920, 373760, 376320, 380184, 380928, 388864, 392448, 407340, 416640, 420480, 429240, 430080, 434496, 437472, 443548, 444416, 448512, 451584, 457856, 475230, 476160, 486080, 490560, 499968, 501760, 506912, 515088, 523264, 543120, 546840, 554435, 555520, 560640, 564480, 570276, 571392, 572320, 579328, 583296, 588672, 602112, 624960, 633640, 634880, 643860, 645120, 651744, 654080, 665322, 666624, 672768, 686784, 712845, 714240, 724160, 729120, 735840, 747520, 752640, 760368, 777728, 784896, 814680, 833280, 840960, 858480, 868992, 874944, 887096, 888832, 897024, 903168, 915712, 950460, 952320, 972160, 981120, 997983, 999936, 1003520, 1013824, 1030176, 1046528, 1086240, 1093680, 1108870, 1111040, 1121280, 1128960, 1140552, 1142784, 1144640, 1158656, 1166592, 1177344, 1249920, 1267280, 1287720, 1290240, 1303488, 1308160, 1330644, 1333248, 1345536, 1373568, 1425690, 1428480, 1448320, 1458240, 1471680, 1495040, 1505280, 1520736, 1555456, 1569792, 1629360, 1663305, 1666560, 1681920, 1716960, 1737984, 1749888, 1774192, 1806336, 1831424, 1900920, 1904640, 1944320, 1962240, 1995966, 1999872, 2027648, 2060352, 2093056, 2172480, 2187360, 2217740, 2222080, 2242560, 2257920, 2281104, 2289280, 2317312, 2333184, 2354688, 2499840, 2534560, 2575440, 2606976, 2616320, 2661288, 2666496, 2691072, 2747136, 2851380, 2856960, 2896640, 2916480, 2943360, 3010560, 3041472, 3110912, 3139584, 3258720, 3326610, 3333120, 3363840, 3433920, 3475968, 3499776, 3548384, 3662848, 3801840, 3888640, 3924480, 3991932, 3999744, 4055296, 4120704, 4344960, 4374720, 4435480, 4444160, 4485120, 4515840, 4562208, 4578560, 4634624, 4666368, 4709376, 4989915, 4999680, 5069120, 5150880, 5213952, 5232640, 5322576, 5494272, 5702760, 5713920, 5793280, 5832960, 5886720, 6082944, 6221824, 6279168, 6517440, 6653220, 6666240, 6727680, 6867840, 6951936, 6999552, 7096768, 7325696, 7603680, 7777280, 7848960, 7983864, 7999488, 8110592, 8241408, 8689920, 8749440, 8870960, 9031680, 9124416, 9157120, 9269248, 9332736, 9418752, 9979830, 9999360, 10138240, 10301760, 10427904, 10465280, 10645152, 10988544, 11405520, 11586560, 11665920, 11773440, 12165888, 13034880, 13306440, 13332480, 13455360, 13735680, 13903872, 13999104, 14193536, 14651392, 15207360, 15554560, 15697920, 15967728, 16221184, 16482816, 17379840, 17498880, 17741920, 18248832, 18314240, 18665472, 18837504, 19959660, 19998720, 20276480, 20603520, 20855808, 21290304, 21977088, 22811040, 23173120, 23331840, 23546880, 24331776, 26069760, 26612880, 27471360, 27807744, 27998208, 28387072, 30414720, 31109120, 31395840, 31935456, 32442368, 32965632, 34759680, 34997760, 35483840, 36497664, 36628480, 39919320, 39997440, 40552960, 41207040, 41711616, 42580608, 43954176, 45622080, 46346240, 46663680, 47093760, 48663552, 52139520, 53225760, 54942720, 55996416, 56774144, 60829440, 63870912, 64884736, 65931264, 69519360, 69995520, 70967680, 72995328, 73256960, 79838640, 81105920, 82414080, 83423232, 85161216, 91244160, 93327360, 94187520, 97327104, 104279040, 106451520, 109885440, 113548288, 121658880, 127741824, 131862528, 139038720, 139991040, 141935360, 145990656, 159677280, 162211840, 164828160, 170322432, 182488320, 194654208, 208558080, 212903040, 219770880, 227096576, 243317760, 255483648, 279982080, 283870720, 291981312, 319354560, 324423680, 329656320, 340644864, 364976640, 417116160, 425806080, 454193152, 486635520, 510967296, 567741440, 583962624, 638709120, 659312640, 681289728, 729953280, 851612160, 973271040, 1021934592, 1135482880, 1277418240, 1362579456, 1459906560, 1703224320, 2043869184, 2270965760, 2554836480, 2919813120, 3406448640, 4087738368, 5109672960, 6812897280, 10219345920, 20438691840]

約数ペア:

[(1, 20438691840), (2, 10219345920), (3, 6812897280), (4, 5109672960), (5, 4087738368), (6, 3406448640), (7, 2919813120), (8, 2554836480), (9, 2270965760), (10, 2043869184), (12, 1703224320), (14, 1459906560), (15, 1362579456), (16, 1277418240), (18, 1135482880), (20, 1021934592), (21, 973271040), (24, 851612160), (28, 729953280), (30, 681289728), (31, 659312640), (32, 638709120), (35, 583962624), (36, 567741440), (40, 510967296), (42, 486635520), (45, 454193152), (48, 425806080), (49, 417116160), (56, 364976640), (60, 340644864), (62, 329656320), (63, 324423680), (64, 319354560), (70, 291981312), (72, 283870720), (73, 279982080), (80, 255483648), (84, 243317760), (90, 227096576), (93, 219770880), (96, 212903040), (98, 208558080), (105, 194654208), (112, 182488320), (120, 170322432), (124, 164828160), (126, 162211840), (128, 159677280), (140, 145990656), (144, 141935360), (146, 139991040), (147, 139038720), (155, 131862528), (160, 127741824), (168, 121658880), (180, 113548288), (186, 109885440), (192, 106451520), (196, 104279040), (210, 97327104), (217, 94187520), (219, 93327360), (224, 91244160), (240, 85161216), (245, 83423232), (248, 82414080), (252, 81105920), (256, 79838640), (279, 73256960), (280, 72995328), (288, 70967680), (292, 69995520), (294, 69519360), (310, 65931264), (315, 64884736), (320, 63870912), (336, 60829440), (360, 56774144), (365, 55996416), (372, 54942720), (384, 53225760), (392, 52139520), (420, 48663552), (434, 47093760), (438, 46663680), (441, 46346240), (448, 45622080), (465, 43954176), (480, 42580608), (490, 41711616), (496, 41207040), (504, 40552960), (511, 39997440), (512, 39919320), (558, 36628480), (560, 36497664), (576, 35483840), (584, 34997760), (588, 34759680), (620, 32965632), (630, 32442368), (640, 31935456), (651, 31395840), (657, 31109120), (672, 30414720), (720, 28387072), (730, 27998208), (735, 27807744), (744, 27471360), (768, 26612880), (784, 26069760), (840, 24331776), (868, 23546880), (876, 23331840), (882, 23173120), (896, 22811040), (930, 21977088), (960, 21290304), (980, 20855808), (992, 20603520), (1008, 20276480), (1022, 19998720), (1024, 19959660), (1085, 18837504), (1095, 18665472), (1116, 18314240), (1120, 18248832), (1152, 17741920), (1168, 17498880), (1176, 17379840), (1240, 16482816), (1260, 16221184), (1280, 15967728), (1302, 15697920), (1314, 15554560), (1344, 15207360), (1395, 14651392), (1440, 14193536), (1460, 13999104), (1470, 13903872), (1488, 13735680), (1519, 13455360), (1533, 13332480), (1536, 13306440), (1568, 13034880), (1680, 12165888), (1736, 11773440), (1752, 11665920), (1764, 11586560), (1792, 11405520), (1860, 10988544), (1920, 10645152), (1953, 10465280), (1960, 10427904), (1984, 10301760), (2016, 10138240), (2044, 9999360), (2048, 9979830), (2170, 9418752), (2190, 9332736), (2205, 9269248), (2232, 9157120), (2240, 9124416), (2263, 9031680), (2304, 8870960), (2336, 8749440), (2352, 8689920), (2480, 8241408), (2520, 8110592), (2555, 7999488), (2560, 7983864), (2604, 7848960), (2628, 7777280), (2688, 7603680), (2790, 7325696), (2880, 7096768), (2920, 6999552), (2940, 6951936), (2976, 6867840), (3038, 6727680), (3066, 6666240), (3072, 6653220), (3136, 6517440), (3255, 6279168), (3285, 6221824), (3360, 6082944), (3472, 5886720), (3504, 5832960), (3528, 5793280), (3577, 5713920), (3584, 5702760), (3720, 5494272), (3840, 5322576), (3906, 5232640), (3920, 5213952), (3968, 5150880), (4032, 5069120), (4088, 4999680), (4096, 4989915), (4340, 4709376), (4380, 4666368), (4410, 4634624), (4464, 4578560), (4480, 4562208), (4526, 4515840), (4557, 4485120), (4599, 4444160), (4608, 4435480), (4672, 4374720), (4704, 4344960), (4960, 4120704), (5040, 4055296), (5110, 3999744), (5120, 3991932), (5208, 3924480), (5256, 3888640), (5376, 3801840), (5580, 3662848), (5760, 3548384), (5840, 3499776), (5880, 3475968), (5952, 3433920), (6076, 3363840), (6132, 3333120), (6144, 3326610), (6272, 3258720), (6510, 3139584), (6570, 3110912), (6720, 3041472), (6789, 3010560), (6944, 2943360), (7008, 2916480), (7056, 2896640), (7154, 2856960), (7168, 2851380), (7440, 2747136), (7595, 2691072), (7665, 2666496), (7680, 2661288), (7812, 2616320), (7840, 2606976), (7936, 2575440), (8064, 2534560), (8176, 2499840), (8680, 2354688), (8760, 2333184), (8820, 2317312), (8928, 2289280), (8960, 2281104), (9052, 2257920), (9114, 2242560), (9198, 2222080), (9216, 2217740), (9344, 2187360), (9408, 2172480), (9765, 2093056), (9920, 2060352), (10080, 2027648), (10220, 1999872), (10240, 1995966), (10416, 1962240), (10512, 1944320), (10731, 1904640), (10752, 1900920), (11160, 1831424), (11315, 1806336), (11520, 1774192), (11680, 1749888), (11760, 1737984), (11904, 1716960), (12152, 1681920), (12264, 1666560), (12288, 1663305), (12544, 1629360), (13020, 1569792), (13140, 1555456), (13440, 1520736), (13578, 1505280), (13671, 1495040), (13888, 1471680), (14016, 1458240), (14112, 1448320), (14308, 1428480), (14336, 1425690), (14880, 1373568), (15190, 1345536), (15330, 1333248), (15360, 1330644), (15624, 1308160), (15680, 1303488), (15841, 1290240), (15872, 1287720), (16128, 1267280), (16352, 1249920), (17360, 1177344), (17520, 1166592), (17640, 1158656), (17856, 1144640), (17885, 1142784), (17920, 1140552), (18104, 1128960), (18228, 1121280), (18396, 1111040), (18432, 1108870), (18688, 1093680), (18816, 1086240), (19530, 1046528), (19840, 1030176), (20160, 1013824), (20367, 1003520), (20440, 999936), (20480, 997983), (20832, 981120), (21024, 972160), (21462, 952320), (21504, 950460), (22320, 915712), (22630, 903168), (22785, 897024), (22995, 888832), (23040, 887096), (23360, 874944), (23520, 868992), (23808, 858480), (24304, 840960), (24528, 833280), (25088, 814680), (26040, 784896), (26280, 777728), (26880, 760368), (27156, 752640), (27342, 747520), (27776, 735840), (28032, 729120), (28224, 724160), (28616, 714240), (28672, 712845), (29760, 686784), (30380, 672768), (30660, 666624), (30720, 665322), (31248, 654080), (31360, 651744), (31682, 645120), (31744, 643860), (32193, 634880), (32256, 633640), (32704, 624960), (33945, 602112), (34720, 588672), (35040, 583296), (35280, 579328), (35712, 572320), (35770, 571392), (35840, 570276), (36208, 564480), (36456, 560640), (36792, 555520), (36864, 554435), (37376, 546840), (37632, 543120), (39060, 523264), (39680, 515088), (40320, 506912), (40734, 501760), (40880, 499968), (41664, 490560), (42048, 486080), (42924, 476160), (43008, 475230), (44640, 457856), (45260, 451584), (45570, 448512), (45990, 444416), (46080, 443548), (46720, 437472), (47040, 434496), (47523, 430080), (47616, 429240), (48608, 420480), (49056, 416640), (50176, 407340), (52080, 392448), (52560, 388864), (53655, 380928), (53760, 380184), (54312, 376320), (54684, 373760), (55552, 367920), (56064, 364560), (56448, 362080), (57232, 357120), (59520, 343392), (60760, 336384), (61320, 333312), (61440, 332661), (62496, 327040), (62720, 325872), (63364, 322560), (63488, 321930), (64386, 317440), (64512, 316820), (65408, 312480), (67890, 301056), (68355, 299008), (69440, 294336), (70080, 291648), (70560, 289664), (71424, 286160), (71540, 285696), (71680, 285138), (72416, 282240), (72912, 280320), (73584, 277760), (74752, 273420), (75264, 271560), (78120, 261632), (79205, 258048), (79360, 257544), (80640, 253456), (81468, 250880), (81760, 249984), (83328, 245280), (84096, 243040), (85848, 238080), (86016, 237615), (89280, 228928), (90520, 225792), (91140, 224256), (91980, 222208), (92160, 221774), (93440, 218736), (94080, 217248), (95046, 215040), (95232, 214620), (97216, 210240), (98112, 208320), (100352, 203670), (101835, 200704), (104160, 196224), (105120, 194432), (107310, 190464), (107520, 190092), (108624, 188160), (109368, 186880), (110887, 184320), (111104, 183960), (112128, 182280), (112896, 181040), (114464, 178560), (119040, 171696), (121520, 168192), (122640, 166656), (124992, 163520), (125440, 162936), (126728, 161280), (126976, 160965), (128772, 158720), (129024, 158410), (130816, 156240), (135780, 150528), (136710, 149504), (138880, 147168), (140160, 145824), (141120, 144832), (142569, 143360), (142848, 143080)]