20218505580

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:220

約数の個数: 960

約数和(自身を含む): 83601745920

約数和(自身を除く): 63383240340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 23, 26, 27, 28, 30, 35, 36, 39, 42, 45, 46, 52, 54, 60, 63, 65, 67, 69, 70, 78, 81, 84, 89, 90, 91, 92, 105, 108, 115, 117, 126, 130, 134, 135, 138, 140, 156, 161, 162, 178, 180, 182, 189, 195, 201, 207, 210, 230, 234, 252, 260, 267, 268, 270, 273, 276, 299, 315, 322, 324, 335, 345, 351, 356, 364, 378, 390, 402, 405, 414, 420, 445, 455, 460, 468, 469, 483, 534, 540, 546, 567, 585, 598, 603, 621, 623, 630, 644, 670, 690, 702, 756, 780, 801, 804, 805, 810, 819, 828, 871, 890, 897, 910, 938, 945, 966, 1005, 1035, 1053, 1068, 1092, 1134, 1157, 1170, 1196, 1206, 1242, 1246, 1260, 1335, 1340, 1365, 1380, 1404, 1407, 1449, 1495, 1541, 1602, 1610, 1620, 1638, 1742, 1755, 1780, 1794, 1809, 1820, 1863, 1869, 1876, 1890, 1932, 2010, 2047, 2070, 2093, 2106, 2268, 2314, 2340, 2345, 2403, 2412, 2415, 2457, 2484, 2492, 2613, 2670, 2691, 2730, 2814, 2835, 2898, 2990, 3015, 3082, 3105, 3115, 3204, 3220, 3276, 3471, 3484, 3510, 3588, 3618, 3726, 3738, 3780, 4005, 4020, 4094, 4095, 4140, 4186, 4212, 4221, 4347, 4355, 4485, 4623, 4628, 4690, 4806, 4830, 4914, 5226, 5265, 5340, 5382, 5427, 5460, 5607, 5628, 5670, 5785, 5796, 5963, 5980, 6030, 6097, 6141, 6164, 6210, 6230, 6279, 6942, 7020, 7035, 7209, 7236, 7245, 7371, 7452, 7476, 7705, 7839, 8010, 8073, 8099, 8188, 8190, 8372, 8442, 8694, 8710, 8970, 9045, 9246, 9315, 9345, 9380, 9612, 9660, 9828, 10235, 10413, 10452, 10465, 10530, 10764, 10787, 10854, 11214, 11340, 11570, 11926, 12015, 12060, 12194, 12282, 12285, 12420, 12460, 12558, 12663, 13041, 13065, 13455, 13869, 13884, 14070, 14329, 14418, 14490, 14742, 15410, 15678, 16020, 16146, 16198, 16380, 16821, 16884, 17355, 17388, 17420, 17889, 17940, 18090, 18291, 18423, 18492, 18630, 18690, 18837, 20033, 20470, 20826, 20930, 21060, 21105, 21574, 21708, 21735, 22428, 23115, 23140, 23517, 23852, 24030, 24219, 24297, 24388, 24564, 24570, 25116, 25326, 26082, 26130, 26611, 26910, 27135, 27738, 28035, 28140, 28658, 28836, 28980, 29484, 29815, 30485, 30705, 30820, 31239, 31356, 31395, 32292, 32361, 32396, 33642, 34710, 35778, 36045, 36180, 36582, 36846, 36855, 37260, 37380, 37674, 37989, 39195, 40066, 40365, 40495, 40940, 41607, 41652, 41741, 41860, 42210, 42987, 43148, 43470, 46230, 47034, 48060, 48438, 48594, 49140, 50463, 50652, 52065, 52164, 52260, 53222, 53667, 53820, 53935, 54270, 54873, 55269, 55476, 56070, 56511, 57316, 59630, 60099, 60970, 61410, 62478, 62790, 63315, 64722, 65205, 67284, 69345, 69420, 70551, 71556, 71645, 72090, 72891, 73164, 73692, 73710, 75348, 75978, 77519, 78390, 79833, 80132, 80730, 80990, 83214, 83482, 84105, 84420, 85974, 86940, 89445, 91455, 92115, 92460, 93717, 94068, 94185, 96876, 97083, 97188, 100165, 100926, 104130, 106444, 107334, 107870, 108540, 109746, 110538, 112140, 113022, 117585, 119260, 120198, 121095, 121485, 121940, 122820, 124821, 124956, 125223, 125580, 126630, 128961, 129444, 130410, 133055, 137149, 138690, 140231, 141102, 143290, 144180, 145782, 147420, 151956, 155038, 156195, 156780, 159666, 161001, 161460, 161805, 161980, 164619, 165807, 166428, 166964, 168210, 169533, 171948, 178890, 180297, 182910, 184230, 186277, 187434, 188370, 189945, 194166, 200330, 201852, 208035, 208260, 208705, 214668, 214935, 215740, 218673, 219492, 221076, 226044, 232557, 235170, 239499, 240396, 242190, 242970, 249642, 250446, 252315, 253260, 257922, 260820, 266110, 268335, 274298, 274365, 276345, 277380, 280462, 282204, 282555, 286580, 291249, 291564, 300495, 310076, 312390, 319332, 322002, 323610, 329238, 331614, 336420, 339066, 352755, 357780, 360594, 364455, 365820, 368460, 372554, 374868, 375669, 376740, 379890, 386883, 387595, 388332, 399165, 400660, 411447, 416070, 417410, 420693, 429870, 437346, 465114, 468585, 470340, 478998, 483003, 484380, 485415, 485940, 493857, 499284, 500892, 504630, 515844, 532220, 536670, 540891, 542633, 548596, 548730, 552690, 558831, 560924, 565110, 582498, 600990, 624105, 624780, 626115, 644004, 644805, 647220, 656019, 658476, 663228, 678132, 685745, 697671, 701155, 705510, 718497, 721188, 728910, 745108, 751338, 759780, 773766, 775190, 798330, 805005, 822894, 823095, 829035, 832140, 834820, 841386, 847665, 859740, 873747, 874692, 901485, 930228, 931385, 937170, 957996, 960043, 966006, 970830, 987714, 1009260, 1073340, 1081782, 1085266, 1093365, 1097460, 1105380, 1117662, 1127007, 1130220, 1160649, 1162785, 1164996, 1197495, 1201980, 1234341, 1248210, 1252230, 1262079, 1289610, 1312038, 1371490, 1395342, 1402310, 1411020, 1436994, 1456245, 1457820, 1502676, 1547532, 1550380, 1596660, 1610010, 1622673, 1627899, 1645788, 1646190, 1658070, 1676493, 1682772, 1695330, 1747494, 1782937, 1802970, 1862770, 1874340, 1878345, 1920086, 1932012, 1934415, 1941660, 1975428, 2057235, 2093013, 2103465, 2155491, 2163564, 2170532, 2186730, 2235324, 2254014, 2321298, 2325570, 2394990, 2415015, 2468682, 2469285, 2496420, 2504460, 2524158, 2579220, 2624076, 2704455, 2713165, 2742980, 2790684, 2794155, 2804620, 2873988, 2880129, 2912490, 3220020, 3245346, 3255798, 3280095, 3292380, 3316140, 3352986, 3381021, 3390660, 3488355, 3494988, 3565874, 3592485, 3605940, 3703023, 3725540, 3756690, 3786237, 3840172, 3868830, 4114470, 4186026, 4206930, 4310982, 4368735, 4373460, 4508028, 4642596, 4651140, 4789980, 4800215, 4830030, 4883697, 4937364, 4938570, 5029479, 5048316, 5348811, 5408910, 5426330, 5588310, 5635035, 5760258, 5803245, 5824980, 6171705, 6279039, 6310395, 6490692, 6511596, 6560190, 6705972, 6762042, 6976710, 7131748, 7184970, 7406046, 7513380, 7572474, 7737660, 8113365, 8139495, 8228940, 8372052, 8382465, 8413860, 8621964, 8640387, 8737470, 8914685, 9600430, 9660060, 9767394, 9877140, 10058958, 10465065, 10697622, 10777455, 10817820, 10852660, 11109069, 11176620, 11270070, 11358711, 11520516, 11606490, 12343410, 12480559, 12558078, 12620790, 13120380, 13524084, 13953420, 14369940, 14400645, 14651091, 14812092, 15088437, 15144948, 16046433, 16226730, 16278990, 16764930, 16905105, 17280774, 17474940, 17829370, 18515115, 18931185, 19200860, 19534788, 20117916, 20930130, 21395244, 21554910, 22218138, 22540140, 22717422, 23212980, 24418485, 24686820, 24961118, 25116156, 25147395, 25241580, 25921161, 26744055, 28801290, 29302182, 30176874, 31395195, 32092866, 32453460, 32557980, 33529860, 33810210, 34561548, 35658740, 37030230, 37441677, 37862370, 41860260, 43109820, 43201935, 43953273, 44436276, 45434844, 48139299, 48836970, 49922236, 50294790, 51842322, 53488110, 55545345, 56793555, 57602580, 58604364, 60353748, 62402795, 62790390, 64185732, 67620420, 73255455, 74060460, 74883354, 75442185, 75724740, 77763483, 80232165, 86403870, 87906546, 96278598, 97673940, 100589580, 103684644, 106976220, 111090690, 112325031, 113587110, 124805590, 125580780, 129605805, 144417897, 146510910, 149766708, 150884370, 155526966, 160464330, 172807740, 175813092, 187208385, 192557196, 219766365, 222181380, 224650062, 227174220, 240696495, 249611180, 259211610, 288835794, 293021820, 301768740, 311053932, 320928660, 336975093, 374416770, 388817415, 439532730, 449300124, 481392990, 518423220, 561625155, 577671588, 673950186, 722089485, 748833540, 777634830, 879065460, 962785980, 1010925279, 1123250310, 1347900372, 1444178970, 1555269660, 1684875465, 2021850558, 2246500620, 2888357940, 3369750930, 4043701116, 5054626395, 6739501860, 10109252790, 20218505580]

約数ペア:

[(1, 20218505580), (2, 10109252790), (3, 6739501860), (4, 5054626395), (5, 4043701116), (6, 3369750930), (7, 2888357940), (9, 2246500620), (10, 2021850558), (12, 1684875465), (13, 1555269660), (14, 1444178970), (15, 1347900372), (18, 1123250310), (20, 1010925279), (21, 962785980), (23, 879065460), (26, 777634830), (27, 748833540), (28, 722089485), (30, 673950186), (35, 577671588), (36, 561625155), (39, 518423220), (42, 481392990), (45, 449300124), (46, 439532730), (52, 388817415), (54, 374416770), (60, 336975093), (63, 320928660), (65, 311053932), (67, 301768740), (69, 293021820), (70, 288835794), (78, 259211610), (81, 249611180), (84, 240696495), (89, 227174220), (90, 224650062), (91, 222181380), (92, 219766365), (105, 192557196), (108, 187208385), (115, 175813092), (117, 172807740), (126, 160464330), (130, 155526966), (134, 150884370), (135, 149766708), (138, 146510910), (140, 144417897), (156, 129605805), (161, 125580780), (162, 124805590), (178, 113587110), (180, 112325031), (182, 111090690), (189, 106976220), (195, 103684644), (201, 100589580), (207, 97673940), (210, 96278598), (230, 87906546), (234, 86403870), (252, 80232165), (260, 77763483), (267, 75724740), (268, 75442185), (270, 74883354), (273, 74060460), (276, 73255455), (299, 67620420), (315, 64185732), (322, 62790390), (324, 62402795), (335, 60353748), (345, 58604364), (351, 57602580), (356, 56793555), (364, 55545345), (378, 53488110), (390, 51842322), (402, 50294790), (405, 49922236), (414, 48836970), (420, 48139299), (445, 45434844), (455, 44436276), (460, 43953273), (468, 43201935), (469, 43109820), (483, 41860260), (534, 37862370), (540, 37441677), (546, 37030230), (567, 35658740), (585, 34561548), (598, 33810210), (603, 33529860), (621, 32557980), (623, 32453460), (630, 32092866), (644, 31395195), (670, 30176874), (690, 29302182), (702, 28801290), (756, 26744055), (780, 25921161), (801, 25241580), (804, 25147395), (805, 25116156), (810, 24961118), (819, 24686820), (828, 24418485), (871, 23212980), (890, 22717422), (897, 22540140), (910, 22218138), (938, 21554910), (945, 21395244), (966, 20930130), (1005, 20117916), (1035, 19534788), (1053, 19200860), (1068, 18931185), (1092, 18515115), (1134, 17829370), (1157, 17474940), (1170, 17280774), (1196, 16905105), (1206, 16764930), (1242, 16278990), (1246, 16226730), (1260, 16046433), (1335, 15144948), (1340, 15088437), (1365, 14812092), (1380, 14651091), (1404, 14400645), (1407, 14369940), (1449, 13953420), (1495, 13524084), (1541, 13120380), (1602, 12620790), (1610, 12558078), (1620, 12480559), (1638, 12343410), (1742, 11606490), (1755, 11520516), (1780, 11358711), (1794, 11270070), (1809, 11176620), (1820, 11109069), (1863, 10852660), (1869, 10817820), (1876, 10777455), (1890, 10697622), (1932, 10465065), (2010, 10058958), (2047, 9877140), (2070, 9767394), (2093, 9660060), (2106, 9600430), (2268, 8914685), (2314, 8737470), (2340, 8640387), (2345, 8621964), (2403, 8413860), (2412, 8382465), (2415, 8372052), (2457, 8228940), (2484, 8139495), (2492, 8113365), (2613, 7737660), (2670, 7572474), (2691, 7513380), (2730, 7406046), (2814, 7184970), (2835, 7131748), (2898, 6976710), (2990, 6762042), (3015, 6705972), (3082, 6560190), (3105, 6511596), (3115, 6490692), (3204, 6310395), (3220, 6279039), (3276, 6171705), (3471, 5824980), (3484, 5803245), (3510, 5760258), (3588, 5635035), (3618, 5588310), (3726, 5426330), (3738, 5408910), (3780, 5348811), (4005, 5048316), (4020, 5029479), (4094, 4938570), (4095, 4937364), (4140, 4883697), (4186, 4830030), (4212, 4800215), (4221, 4789980), (4347, 4651140), (4355, 4642596), (4485, 4508028), (4623, 4373460), (4628, 4368735), (4690, 4310982), (4806, 4206930), (4830, 4186026), (4914, 4114470), (5226, 3868830), (5265, 3840172), (5340, 3786237), (5382, 3756690), (5427, 3725540), (5460, 3703023), (5607, 3605940), (5628, 3592485), (5670, 3565874), (5785, 3494988), (5796, 3488355), (5963, 3390660), (5980, 3381021), (6030, 3352986), (6097, 3316140), (6141, 3292380), (6164, 3280095), (6210, 3255798), (6230, 3245346), (6279, 3220020), (6942, 2912490), (7020, 2880129), (7035, 2873988), (7209, 2804620), (7236, 2794155), (7245, 2790684), (7371, 2742980), (7452, 2713165), (7476, 2704455), (7705, 2624076), (7839, 2579220), (8010, 2524158), (8073, 2504460), (8099, 2496420), (8188, 2469285), (8190, 2468682), (8372, 2415015), (8442, 2394990), (8694, 2325570), (8710, 2321298), (8970, 2254014), (9045, 2235324), (9246, 2186730), (9315, 2170532), (9345, 2163564), (9380, 2155491), (9612, 2103465), (9660, 2093013), (9828, 2057235), (10235, 1975428), (10413, 1941660), (10452, 1934415), (10465, 1932012), (10530, 1920086), (10764, 1878345), (10787, 1874340), (10854, 1862770), (11214, 1802970), (11340, 1782937), (11570, 1747494), (11926, 1695330), (12015, 1682772), (12060, 1676493), (12194, 1658070), (12282, 1646190), (12285, 1645788), (12420, 1627899), (12460, 1622673), (12558, 1610010), (12663, 1596660), (13041, 1550380), (13065, 1547532), (13455, 1502676), (13869, 1457820), (13884, 1456245), (14070, 1436994), (14329, 1411020), (14418, 1402310), (14490, 1395342), (14742, 1371490), (15410, 1312038), (15678, 1289610), (16020, 1262079), (16146, 1252230), (16198, 1248210), (16380, 1234341), (16821, 1201980), (16884, 1197495), (17355, 1164996), (17388, 1162785), (17420, 1160649), (17889, 1130220), (17940, 1127007), (18090, 1117662), (18291, 1105380), (18423, 1097460), (18492, 1093365), (18630, 1085266), (18690, 1081782), (18837, 1073340), (20033, 1009260), (20470, 987714), (20826, 970830), (20930, 966006), (21060, 960043), (21105, 957996), (21574, 937170), (21708, 931385), (21735, 930228), (22428, 901485), (23115, 874692), (23140, 873747), (23517, 859740), (23852, 847665), (24030, 841386), (24219, 834820), (24297, 832140), (24388, 829035), (24564, 823095), (24570, 822894), (25116, 805005), (25326, 798330), (26082, 775190), (26130, 773766), (26611, 759780), (26910, 751338), (27135, 745108), (27738, 728910), (28035, 721188), (28140, 718497), (28658, 705510), (28836, 701155), (28980, 697671), (29484, 685745), (29815, 678132), (30485, 663228), (30705, 658476), (30820, 656019), (31239, 647220), (31356, 644805), (31395, 644004), (32292, 626115), (32361, 624780), (32396, 624105), (33642, 600990), (34710, 582498), (35778, 565110), (36045, 560924), (36180, 558831), (36582, 552690), (36846, 548730), (36855, 548596), (37260, 542633), (37380, 540891), (37674, 536670), (37989, 532220), (39195, 515844), (40066, 504630), (40365, 500892), (40495, 499284), (40940, 493857), (41607, 485940), (41652, 485415), (41741, 484380), (41860, 483003), (42210, 478998), (42987, 470340), (43148, 468585), (43470, 465114), (46230, 437346), (47034, 429870), (48060, 420693), (48438, 417410), (48594, 416070), (49140, 411447), (50463, 400660), (50652, 399165), (52065, 388332), (52164, 387595), (52260, 386883), (53222, 379890), (53667, 376740), (53820, 375669), (53935, 374868), (54270, 372554), (54873, 368460), (55269, 365820), (55476, 364455), (56070, 360594), (56511, 357780), (57316, 352755), (59630, 339066), (60099, 336420), (60970, 331614), (61410, 329238), (62478, 323610), (62790, 322002), (63315, 319332), (64722, 312390), (65205, 310076), (67284, 300495), (69345, 291564), (69420, 291249), (70551, 286580), (71556, 282555), (71645, 282204), (72090, 280462), (72891, 277380), (73164, 276345), (73692, 274365), (73710, 274298), (75348, 268335), (75978, 266110), (77519, 260820), (78390, 257922), (79833, 253260), (80132, 252315), (80730, 250446), (80990, 249642), (83214, 242970), (83482, 242190), (84105, 240396), (84420, 239499), (85974, 235170), (86940, 232557), (89445, 226044), (91455, 221076), (92115, 219492), (92460, 218673), (93717, 215740), (94068, 214935), (94185, 214668), (96876, 208705), (97083, 208260), (97188, 208035), (100165, 201852), (100926, 200330), (104130, 194166), (106444, 189945), (107334, 188370), (107870, 187434), (108540, 186277), (109746, 184230), (110538, 182910), (112140, 180297), (113022, 178890), (117585, 171948), (119260, 169533), (120198, 168210), (121095, 166964), (121485, 166428), (121940, 165807), (122820, 164619), (124821, 161980), (124956, 161805), (125223, 161460), (125580, 161001), (126630, 159666), (128961, 156780), (129444, 156195), (130410, 155038), (133055, 151956), (137149, 147420), (138690, 145782), (140231, 144180), (141102, 143290)]