20217473640

素因数分解:

$2^3\times 3^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 896

約数和(自身を含む): 88580217600

約数和(自身を除く): 68362743960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 24, 26, 27, 28, 30, 35, 36, 38, 39, 40, 42, 45, 52, 54, 56, 57, 60, 63, 65, 70, 72, 76, 78, 81, 84, 90, 91, 95, 104, 105, 108, 114, 117, 120, 126, 130, 133, 135, 140, 152, 156, 162, 168, 171, 180, 182, 189, 190, 195, 210, 216, 228, 234, 243, 247, 252, 260, 266, 270, 273, 280, 285, 312, 315, 324, 342, 351, 360, 364, 378, 380, 390, 399, 401, 405, 420, 455, 456, 468, 486, 494, 504, 513, 520, 532, 540, 546, 567, 570, 585, 630, 648, 665, 684, 702, 728, 729, 741, 756, 760, 780, 798, 802, 810, 819, 840, 855, 910, 936, 945, 972, 988, 1026, 1053, 1064, 1080, 1092, 1134, 1140, 1170, 1197, 1203, 1215, 1235, 1260, 1330, 1365, 1368, 1404, 1458, 1482, 1512, 1539, 1560, 1596, 1604, 1620, 1638, 1701, 1710, 1729, 1755, 1820, 1890, 1944, 1976, 1995, 2005, 2052, 2106, 2184, 2223, 2268, 2280, 2340, 2394, 2406, 2430, 2457, 2470, 2520, 2565, 2660, 2730, 2807, 2808, 2835, 2916, 2964, 3078, 3159, 3192, 3208, 3240, 3276, 3402, 3420, 3458, 3510, 3591, 3609, 3640, 3645, 3705, 3780, 3990, 4010, 4095, 4104, 4212, 4446, 4536, 4617, 4680, 4788, 4812, 4860, 4914, 4940, 5103, 5130, 5187, 5213, 5265, 5320, 5460, 5614, 5670, 5832, 5928, 5985, 6015, 6156, 6318, 6552, 6669, 6804, 6840, 6916, 7020, 7182, 7218, 7290, 7371, 7410, 7560, 7619, 7695, 7980, 8020, 8190, 8421, 8424, 8505, 8645, 8892, 9234, 9477, 9576, 9624, 9720, 9828, 9880, 10206, 10260, 10374, 10426, 10530, 10773, 10827, 10920, 11115, 11228, 11340, 11970, 12030, 12285, 12312, 12636, 13338, 13608, 13832, 13851, 14035, 14040, 14364, 14436, 14580, 14742, 14820, 15238, 15390, 15561, 15639, 15795, 15960, 16040, 16380, 16842, 17010, 17290, 17784, 17955, 18045, 18468, 18954, 19656, 20007, 20412, 20520, 20748, 20852, 21060, 21546, 21654, 22113, 22230, 22456, 22680, 22857, 23085, 23940, 24060, 24570, 25263, 25272, 25515, 25935, 26065, 26676, 27702, 28070, 28728, 28872, 29160, 29484, 29640, 30476, 30780, 31122, 31278, 31590, 32319, 32481, 32760, 33345, 33684, 34020, 34580, 35910, 36090, 36491, 36855, 36936, 37908, 38095, 40014, 40824, 41496, 41704, 42105, 42120, 43092, 43308, 44226, 44460, 45714, 46170, 46683, 46917, 47385, 47880, 48120, 49140, 50526, 51030, 51870, 52130, 53333, 53352, 53865, 54135, 55404, 56140, 58968, 60021, 60952, 61560, 62244, 62556, 63180, 64638, 64962, 66339, 66690, 67368, 68040, 68571, 69160, 69255, 71820, 72180, 72982, 73710, 75789, 75816, 76190, 77805, 78195, 80028, 84210, 86184, 86616, 88452, 88920, 91428, 92340, 93366, 93834, 94770, 96957, 97443, 98280, 99047, 100035, 101052, 102060, 103740, 104260, 106666, 107730, 108270, 109473, 110565, 110808, 112280, 114285, 120042, 124488, 125112, 126315, 126360, 129276, 129924, 132678, 133380, 137142, 138510, 140049, 140751, 143640, 144360, 145964, 147420, 151578, 152380, 155610, 156390, 159999, 160056, 161595, 162405, 168420, 176904, 180063, 182455, 182856, 184680, 186732, 187668, 189540, 193914, 194886, 198094, 200070, 202104, 204120, 205713, 207480, 208520, 213332, 215460, 216540, 218946, 221130, 227367, 228570, 233415, 234585, 240084, 252630, 258552, 259848, 265356, 266665, 266760, 274284, 277020, 280098, 281502, 291928, 292329, 294840, 297141, 300105, 303156, 304760, 311220, 312780, 319998, 323190, 324810, 328419, 331695, 336840, 342855, 360126, 364910, 373464, 375336, 378945, 379080, 387828, 389772, 396188, 400140, 411426, 420147, 422253, 426664, 430920, 433080, 437892, 442260, 454734, 457140, 466830, 469170, 479997, 480168, 484785, 487215, 495235, 505260, 530712, 533330, 547365, 548568, 554040, 560196, 563004, 584658, 594282, 600210, 606312, 617139, 622440, 625560, 639996, 646380, 649620, 656838, 663390, 682101, 685710, 693329, 700245, 703755, 720252, 729820, 757890, 775656, 779544, 792376, 799995, 800280, 822852, 840294, 844506, 875784, 884520, 891423, 900315, 909468, 914280, 933660, 938340, 959994, 969570, 974430, 985257, 990470, 1010520, 1028565, 1066660, 1094730, 1120392, 1126008, 1136835, 1169316, 1188564, 1200420, 1234278, 1260441, 1266759, 1279992, 1292760, 1299240, 1313676, 1326780, 1364202, 1371420, 1386658, 1400490, 1407510, 1439991, 1440504, 1459640, 1461645, 1485705, 1515780, 1599990, 1642095, 1645704, 1680588, 1689012, 1782846, 1800630, 1818936, 1851417, 1867320, 1876680, 1919988, 1939140, 1948860, 1970514, 1980940, 2046303, 2057130, 2079987, 2100735, 2111265, 2133320, 2189460, 2273670, 2338632, 2377128, 2399985, 2400840, 2468556, 2520882, 2533518, 2627352, 2653560, 2674269, 2728404, 2742840, 2773316, 2800980, 2815020, 2879982, 2923290, 2955771, 2971410, 3031560, 3085695, 3199980, 3284190, 3361176, 3378024, 3410505, 3466645, 3565692, 3601260, 3702834, 3800277, 3839976, 3878280, 3897720, 3941028, 3961880, 4092606, 4114260, 4159974, 4201470, 4222530, 4319973, 4378920, 4457115, 4547340, 4799970, 4926285, 4937112, 5041764, 5067036, 5348538, 5456808, 5546632, 5554251, 5601960, 5630040, 5759964, 5846580, 5911542, 5942820, 6171390, 6239961, 6302205, 6333795, 6399960, 6568380, 6821010, 6933290, 7131384, 7199955, 7202520, 7405668, 7600554, 7882056, 8022807, 8185212, 8228520, 8319948, 8402940, 8445060, 8639946, 8867313, 8914230, 9094680, 9257085, 9599940, 9852570, 10083528, 10134072, 10231515, 10399935, 10697076, 11108502, 11519928, 11693160, 11823084, 11885640, 12342780, 12479922, 12604410, 12667590, 12959919, 13136760, 13371345, 13642020, 13866580, 14399910, 14778855, 14811336, 15201108, 16045614, 16370424, 16639896, 16805880, 16890120, 17279892, 17734626, 17828460, 18514170, 18719883, 19001385, 19199880, 19705140, 20463030, 20799870, 21394152, 21599865, 22217004, 23646168, 24068421, 24685560, 24959844, 25208820, 25335180, 25919838, 26601939, 26742690, 27284040, 27733160, 27771255, 28799820, 29557710, 30402216, 31199805, 32091228, 34559784, 35469252, 35656920, 37028340, 37439766, 38002770, 38879757, 39410280, 40114035, 40926060, 41599740, 43199730, 44336565, 44434008, 48136842, 49919688, 50417640, 50670360, 51839676, 53203878, 53485380, 55542510, 56159649, 57599640, 59115420, 62399610, 64182456, 64799595, 70938504, 72205263, 74056680, 74879532, 76005540, 77759514, 80228070, 81852120, 83199480, 86399460, 88673130, 93599415, 96273684, 103679352, 106407756, 106970760, 111085020, 112319298, 118230840, 120342105, 124799220, 129599190, 133009695, 144410526, 149759064, 152011080, 155519028, 160456140, 168478947, 172798920, 177346260, 187198830, 192547368, 194398785, 212815512, 222170040, 224638596, 240684210, 249598440, 259198380, 266019390, 280798245, 288821052, 311038056, 320912280, 336957894, 354692520, 361026315, 374397660, 388797570, 449277192, 481368420, 505436841, 518396760, 532038780, 561596490, 577642104, 673915788, 722052630, 748795320, 777595140, 842394735, 962736840, 1010873682, 1064077560, 1123192980, 1347831576, 1444105260, 1555190280, 1684789470, 2021747364, 2246385960, 2527184205, 2888210520, 3369578940, 4043494728, 5054368410, 6739157880, 10108736820, 20217473640]

約数ペア:

[(1, 20217473640), (2, 10108736820), (3, 6739157880), (4, 5054368410), (5, 4043494728), (6, 3369578940), (7, 2888210520), (8, 2527184205), (9, 2246385960), (10, 2021747364), (12, 1684789470), (13, 1555190280), (14, 1444105260), (15, 1347831576), (18, 1123192980), (19, 1064077560), (20, 1010873682), (21, 962736840), (24, 842394735), (26, 777595140), (27, 748795320), (28, 722052630), (30, 673915788), (35, 577642104), (36, 561596490), (38, 532038780), (39, 518396760), (40, 505436841), (42, 481368420), (45, 449277192), (52, 388797570), (54, 374397660), (56, 361026315), (57, 354692520), (60, 336957894), (63, 320912280), (65, 311038056), (70, 288821052), (72, 280798245), (76, 266019390), (78, 259198380), (81, 249598440), (84, 240684210), (90, 224638596), (91, 222170040), (95, 212815512), (104, 194398785), (105, 192547368), (108, 187198830), (114, 177346260), (117, 172798920), (120, 168478947), (126, 160456140), (130, 155519028), (133, 152011080), (135, 149759064), (140, 144410526), (152, 133009695), (156, 129599190), (162, 124799220), (168, 120342105), (171, 118230840), (180, 112319298), (182, 111085020), (189, 106970760), (190, 106407756), (195, 103679352), (210, 96273684), (216, 93599415), (228, 88673130), (234, 86399460), (243, 83199480), (247, 81852120), (252, 80228070), (260, 77759514), (266, 76005540), (270, 74879532), (273, 74056680), (280, 72205263), (285, 70938504), (312, 64799595), (315, 64182456), (324, 62399610), (342, 59115420), (351, 57599640), (360, 56159649), (364, 55542510), (378, 53485380), (380, 53203878), (390, 51839676), (399, 50670360), (401, 50417640), (405, 49919688), (420, 48136842), (455, 44434008), (456, 44336565), (468, 43199730), (486, 41599740), (494, 40926060), (504, 40114035), (513, 39410280), (520, 38879757), (532, 38002770), (540, 37439766), (546, 37028340), (567, 35656920), (570, 35469252), (585, 34559784), (630, 32091228), (648, 31199805), (665, 30402216), (684, 29557710), (702, 28799820), (728, 27771255), (729, 27733160), (741, 27284040), (756, 26742690), (760, 26601939), (780, 25919838), (798, 25335180), (802, 25208820), (810, 24959844), (819, 24685560), (840, 24068421), (855, 23646168), (910, 22217004), (936, 21599865), (945, 21394152), (972, 20799870), (988, 20463030), (1026, 19705140), (1053, 19199880), (1064, 19001385), (1080, 18719883), (1092, 18514170), (1134, 17828460), (1140, 17734626), (1170, 17279892), (1197, 16890120), (1203, 16805880), (1215, 16639896), (1235, 16370424), (1260, 16045614), (1330, 15201108), (1365, 14811336), (1368, 14778855), (1404, 14399910), (1458, 13866580), (1482, 13642020), (1512, 13371345), (1539, 13136760), (1560, 12959919), (1596, 12667590), (1604, 12604410), (1620, 12479922), (1638, 12342780), (1701, 11885640), (1710, 11823084), (1729, 11693160), (1755, 11519928), (1820, 11108502), (1890, 10697076), (1944, 10399935), (1976, 10231515), (1995, 10134072), (2005, 10083528), (2052, 9852570), (2106, 9599940), (2184, 9257085), (2223, 9094680), (2268, 8914230), (2280, 8867313), (2340, 8639946), (2394, 8445060), (2406, 8402940), (2430, 8319948), (2457, 8228520), (2470, 8185212), (2520, 8022807), (2565, 7882056), (2660, 7600554), (2730, 7405668), (2807, 7202520), (2808, 7199955), (2835, 7131384), (2916, 6933290), (2964, 6821010), (3078, 6568380), (3159, 6399960), (3192, 6333795), (3208, 6302205), (3240, 6239961), (3276, 6171390), (3402, 5942820), (3420, 5911542), (3458, 5846580), (3510, 5759964), (3591, 5630040), (3609, 5601960), (3640, 5554251), (3645, 5546632), (3705, 5456808), (3780, 5348538), (3990, 5067036), (4010, 5041764), (4095, 4937112), (4104, 4926285), (4212, 4799970), (4446, 4547340), (4536, 4457115), (4617, 4378920), (4680, 4319973), (4788, 4222530), (4812, 4201470), (4860, 4159974), (4914, 4114260), (4940, 4092606), (5103, 3961880), (5130, 3941028), (5187, 3897720), (5213, 3878280), (5265, 3839976), (5320, 3800277), (5460, 3702834), (5614, 3601260), (5670, 3565692), (5832, 3466645), (5928, 3410505), (5985, 3378024), (6015, 3361176), (6156, 3284190), (6318, 3199980), (6552, 3085695), (6669, 3031560), (6804, 2971410), (6840, 2955771), (6916, 2923290), (7020, 2879982), (7182, 2815020), (7218, 2800980), (7290, 2773316), (7371, 2742840), (7410, 2728404), (7560, 2674269), (7619, 2653560), (7695, 2627352), (7980, 2533518), (8020, 2520882), (8190, 2468556), (8421, 2400840), (8424, 2399985), (8505, 2377128), (8645, 2338632), (8892, 2273670), (9234, 2189460), (9477, 2133320), (9576, 2111265), (9624, 2100735), (9720, 2079987), (9828, 2057130), (9880, 2046303), (10206, 1980940), (10260, 1970514), (10374, 1948860), (10426, 1939140), (10530, 1919988), (10773, 1876680), (10827, 1867320), (10920, 1851417), (11115, 1818936), (11228, 1800630), (11340, 1782846), (11970, 1689012), (12030, 1680588), (12285, 1645704), (12312, 1642095), (12636, 1599990), (13338, 1515780), (13608, 1485705), (13832, 1461645), (13851, 1459640), (14035, 1440504), (14040, 1439991), (14364, 1407510), (14436, 1400490), (14580, 1386658), (14742, 1371420), (14820, 1364202), (15238, 1326780), (15390, 1313676), (15561, 1299240), (15639, 1292760), (15795, 1279992), (15960, 1266759), (16040, 1260441), (16380, 1234278), (16842, 1200420), (17010, 1188564), (17290, 1169316), (17784, 1136835), (17955, 1126008), (18045, 1120392), (18468, 1094730), (18954, 1066660), (19656, 1028565), (20007, 1010520), (20412, 990470), (20520, 985257), (20748, 974430), (20852, 969570), (21060, 959994), (21546, 938340), (21654, 933660), (22113, 914280), (22230, 909468), (22456, 900315), (22680, 891423), (22857, 884520), (23085, 875784), (23940, 844506), (24060, 840294), (24570, 822852), (25263, 800280), (25272, 799995), (25515, 792376), (25935, 779544), (26065, 775656), (26676, 757890), (27702, 729820), (28070, 720252), (28728, 703755), (28872, 700245), (29160, 693329), (29484, 685710), (29640, 682101), (30476, 663390), (30780, 656838), (31122, 649620), (31278, 646380), (31590, 639996), (32319, 625560), (32481, 622440), (32760, 617139), (33345, 606312), (33684, 600210), (34020, 594282), (34580, 584658), (35910, 563004), (36090, 560196), (36491, 554040), (36855, 548568), (36936, 547365), (37908, 533330), (38095, 530712), (40014, 505260), (40824, 495235), (41496, 487215), (41704, 484785), (42105, 480168), (42120, 479997), (43092, 469170), (43308, 466830), (44226, 457140), (44460, 454734), (45714, 442260), (46170, 437892), (46683, 433080), (46917, 430920), (47385, 426664), (47880, 422253), (48120, 420147), (49140, 411426), (50526, 400140), (51030, 396188), (51870, 389772), (52130, 387828), (53333, 379080), (53352, 378945), (53865, 375336), (54135, 373464), (55404, 364910), (56140, 360126), (58968, 342855), (60021, 336840), (60952, 331695), (61560, 328419), (62244, 324810), (62556, 323190), (63180, 319998), (64638, 312780), (64962, 311220), (66339, 304760), (66690, 303156), (67368, 300105), (68040, 297141), (68571, 294840), (69160, 292329), (69255, 291928), (71820, 281502), (72180, 280098), (72982, 277020), (73710, 274284), (75789, 266760), (75816, 266665), (76190, 265356), (77805, 259848), (78195, 258552), (80028, 252630), (84210, 240084), (86184, 234585), (86616, 233415), (88452, 228570), (88920, 227367), (91428, 221130), (92340, 218946), (93366, 216540), (93834, 215460), (94770, 213332), (96957, 208520), (97443, 207480), (98280, 205713), (99047, 204120), (100035, 202104), (101052, 200070), (102060, 198094), (103740, 194886), (104260, 193914), (106666, 189540), (107730, 187668), (108270, 186732), (109473, 184680), (110565, 182856), (110808, 182455), (112280, 180063), (114285, 176904), (120042, 168420), (124488, 162405), (125112, 161595), (126315, 160056), (126360, 159999), (129276, 156390), (129924, 155610), (132678, 152380), (133380, 151578), (137142, 147420), (138510, 145964), (140049, 144360), (140751, 143640)]