20747913120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:170

約数の個数: 864

約数和(自身を含む): 84319522560

約数和(自身を除く): 63571609440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 31, 32, 33, 36, 40, 44, 45, 47, 48, 55, 58, 60, 62, 66, 72, 80, 87, 88, 90, 93, 94, 96, 99, 110, 116, 120, 124, 132, 141, 144, 145, 155, 160, 165, 174, 176, 180, 186, 188, 198, 220, 232, 235, 240, 248, 261, 264, 279, 282, 288, 290, 310, 319, 330, 341, 348, 352, 360, 372, 376, 396, 423, 435, 440, 464, 465, 470, 480, 495, 496, 517, 522, 528, 558, 564, 580, 620, 638, 660, 682, 696, 705, 720, 744, 752, 792, 846, 870, 880, 899, 928, 930, 940, 957, 961, 990, 992, 1023, 1034, 1044, 1056, 1116, 1128, 1160, 1240, 1276, 1305, 1320, 1363, 1364, 1392, 1395, 1410, 1440, 1457, 1488, 1504, 1551, 1584, 1595, 1692, 1705, 1740, 1760, 1798, 1860, 1880, 1914, 1922, 1980, 2046, 2068, 2088, 2115, 2232, 2256, 2320, 2480, 2552, 2585, 2610, 2640, 2697, 2726, 2728, 2784, 2790, 2820, 2871, 2883, 2914, 2976, 3069, 3102, 3168, 3190, 3384, 3410, 3480, 3596, 3720, 3760, 3828, 3844, 3960, 4089, 4092, 4136, 4176, 4230, 4371, 4464, 4495, 4512, 4640, 4653, 4785, 4805, 4960, 5104, 5115, 5170, 5220, 5280, 5394, 5452, 5456, 5580, 5640, 5742, 5766, 5828, 6138, 6204, 6380, 6768, 6815, 6820, 6960, 7192, 7285, 7440, 7520, 7656, 7688, 7755, 7920, 8091, 8178, 8184, 8272, 8352, 8460, 8649, 8742, 8928, 8990, 9306, 9570, 9610, 9889, 10208, 10230, 10340, 10440, 10571, 10788, 10904, 10912, 11160, 11280, 11484, 11532, 11656, 12267, 12276, 12408, 12760, 13113, 13485, 13536, 13630, 13640, 13920, 14355, 14384, 14415, 14570, 14880, 14993, 15312, 15345, 15376, 15510, 15840, 16027, 16182, 16356, 16368, 16544, 16920, 17298, 17484, 17980, 18612, 19140, 19220, 19778, 20445, 20460, 20680, 20880, 21142, 21576, 21808, 21855, 22320, 22560, 22968, 23064, 23265, 23312, 24534, 24552, 24816, 25520, 26226, 26970, 27260, 27280, 27869, 28710, 28768, 28830, 29140, 29667, 29986, 30624, 30690, 30752, 31020, 31713, 32054, 32364, 32712, 32736, 33840, 34596, 34968, 35960, 37224, 38280, 38440, 39556, 40455, 40890, 40920, 41360, 41760, 42253, 42284, 43152, 43245, 43616, 43710, 44640, 44979, 45167, 45936, 46128, 46530, 46624, 48081, 49068, 49104, 49445, 49632, 51040, 52452, 52855, 53940, 54520, 54560, 55738, 57420, 57660, 58280, 59334, 59972, 61335, 61380, 62040, 63426, 64108, 64728, 65424, 65565, 67680, 69192, 69936, 71920, 74448, 74965, 76560, 76880, 79112, 80135, 80910, 81780, 81840, 82720, 83607, 84506, 84568, 86304, 86490, 87420, 89001, 89958, 90334, 91872, 92256, 93060, 95139, 96162, 98136, 98208, 98890, 104904, 105710, 107880, 109040, 111476, 114840, 115320, 116560, 118668, 119944, 122670, 122760, 124080, 126759, 126852, 128216, 129456, 130848, 131130, 134937, 135501, 138384, 139345, 139872, 143840, 144243, 148335, 148896, 149930, 153120, 153760, 158224, 158565, 160270, 161820, 163560, 163680, 167214, 169012, 169136, 172980, 174840, 178002, 179916, 180668, 186120, 190278, 192324, 196272, 197780, 209808, 211265, 211420, 215760, 218080, 222952, 224895, 225835, 229680, 230640, 233120, 237336, 239888, 240405, 245340, 245520, 248160, 250821, 253518, 253704, 256432, 258912, 262260, 269874, 271002, 276768, 278690, 288486, 296670, 299860, 306559, 316448, 317130, 320540, 323640, 327120, 334428, 338024, 338272, 345960, 349680, 356004, 359832, 361336, 372240, 380277, 380556, 384648, 392544, 395560, 406503, 418035, 419616, 422530, 422840, 431520, 445005, 445904, 449790, 451670, 459360, 461280, 464783, 474672, 475695, 479776, 480810, 490680, 491040, 496837, 501642, 507036, 507408, 512864, 524520, 539748, 542004, 557380, 576972, 593340, 599720, 613118, 633795, 634260, 641080, 647280, 654240, 668856, 674685, 676048, 677505, 691920, 699360, 712008, 719664, 721215, 722672, 744480, 760554, 761112, 769296, 791120, 813006, 836070, 845060, 845680, 890010, 891808, 899580, 903340, 919677, 929566, 949344, 951390, 961620, 981360, 993674, 1003284, 1014072, 1014816, 1049040, 1079496, 1084008, 1114760, 1153944, 1186680, 1199440, 1226236, 1254105, 1267590, 1268520, 1282160, 1294560, 1309843, 1337712, 1349370, 1352096, 1355010, 1383840, 1394349, 1424016, 1439328, 1442430, 1445344, 1490511, 1521108, 1522224, 1532795, 1538592, 1582240, 1626012, 1672140, 1690120, 1691360, 1780020, 1799160, 1806680, 1839354, 1859132, 1901385, 1902780, 1923240, 1962720, 1987348, 2006568, 2028144, 2032515, 2098080, 2158992, 2168016, 2229520, 2307888, 2323915, 2373360, 2398880, 2452472, 2484185, 2508210, 2535180, 2537040, 2564320, 2619686, 2675424, 2698740, 2710020, 2759031, 2788698, 2848032, 2884860, 2981022, 3042216, 3044448, 3065590, 3252024, 3344280, 3380240, 3560040, 3598320, 3613360, 3678708, 3718264, 3802770, 3805560, 3846480, 3929529, 3974696, 4013136, 4056288, 4065030, 4183047, 4317984, 4336032, 4459040, 4471533, 4598385, 4615776, 4647830, 4746720, 4904944, 4968370, 5016420, 5070360, 5074080, 5239372, 5397480, 5420040, 5518062, 5577396, 5769720, 5962044, 6084432, 6131180, 6504048, 6549215, 6688560, 6760480, 6971745, 7120080, 7196640, 7226720, 7357416, 7436528, 7452555, 7605540, 7611120, 7692960, 7859058, 7949392, 8026272, 8130060, 8366094, 8943066, 9196770, 9295660, 9809888, 9936740, 10032840, 10140720, 10478744, 10794960, 10840080, 11036124, 11154792, 11539440, 11788587, 11924088, 12168864, 12262360, 13008096, 13098430, 13377120, 13795155, 13943490, 14240160, 14408273, 14714832, 14873056, 14905110, 15211080, 15222240, 15718116, 15898784, 16260120, 16732188, 17886132, 18393540, 18591320, 19647645, 19873480, 20065680, 20281440, 20915235, 20957488, 21589920, 21680160, 22072248, 22309584, 22357665, 23078880, 23577174, 23848176, 24524720, 26196860, 27590310, 27886980, 28816546, 29429664, 29810220, 30422160, 31436232, 32520240, 33464376, 35772264, 36787080, 37182640, 39295290, 39746960, 40131360, 41830470, 41914976, 43224819, 44144496, 44619168, 44715330, 47154348, 47696352, 49049440, 52393720, 55180620, 55773960, 57633092, 58942935, 59620440, 60844320, 62872464, 65040480, 66928752, 71544528, 72041365, 73574160, 74365280, 78590580, 79493920, 83660940, 86449638, 88288992, 89430660, 94308696, 104787440, 110361240, 111547920, 115266184, 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約数ペア:

[(1, 20747913120), (2, 10373956560), (3, 6915971040), (4, 5186978280), (5, 4149582624), (6, 3457985520), (8, 2593489140), (9, 2305323680), (10, 2074791312), (11, 1886173920), (12, 1728992760), (15, 1383194208), (16, 1296744570), (18, 1152661840), (20, 1037395656), (22, 943086960), (24, 864496380), (29, 715445280), (30, 691597104), (31, 669287520), (32, 648372285), (33, 628724640), (36, 576330920), (40, 518697828), (44, 471543480), (45, 461064736), (47, 441444960), (48, 432248190), (55, 377234784), (58, 357722640), (60, 345798552), (62, 334643760), (66, 314362320), (72, 288165460), (80, 259348914), (87, 238481760), (88, 235771740), (90, 230532368), (93, 223095840), (94, 220722480), (96, 216124095), (99, 209574880), (110, 188617392), (116, 178861320), (120, 172899276), (124, 167321880), (132, 157181160), (141, 147148320), (144, 144082730), (145, 143089056), (155, 133857504), (160, 129674457), (165, 125744928), (174, 119240880), (176, 117885870), (180, 115266184), (186, 111547920), (188, 110361240), (198, 104787440), (220, 94308696), (232, 89430660), (235, 88288992), (240, 86449638), (248, 83660940), (261, 79493920), (264, 78590580), (279, 74365280), (282, 73574160), (288, 72041365), (290, 71544528), (310, 66928752), (319, 65040480), (330, 62872464), (341, 60844320), (348, 59620440), (352, 58942935), (360, 57633092), (372, 55773960), (376, 55180620), (396, 52393720), (423, 49049440), (435, 47696352), (440, 47154348), (464, 44715330), (465, 44619168), (470, 44144496), (480, 43224819), (495, 41914976), (496, 41830470), (517, 40131360), (522, 39746960), (528, 39295290), (558, 37182640), (564, 36787080), (580, 35772264), (620, 33464376), (638, 32520240), (660, 31436232), (682, 30422160), (696, 29810220), (705, 29429664), (720, 28816546), (744, 27886980), (752, 27590310), (792, 26196860), (846, 24524720), (870, 23848176), (880, 23577174), (899, 23078880), (928, 22357665), (930, 22309584), (940, 22072248), (957, 21680160), (961, 21589920), (990, 20957488), (992, 20915235), (1023, 20281440), (1034, 20065680), (1044, 19873480), (1056, 19647645), (1116, 18591320), (1128, 18393540), (1160, 17886132), (1240, 16732188), (1276, 16260120), (1305, 15898784), (1320, 15718116), (1363, 15222240), (1364, 15211080), (1392, 14905110), (1395, 14873056), (1410, 14714832), (1440, 14408273), (1457, 14240160), (1488, 13943490), (1504, 13795155), (1551, 13377120), (1584, 13098430), (1595, 13008096), (1692, 12262360), (1705, 12168864), (1740, 11924088), (1760, 11788587), (1798, 11539440), (1860, 11154792), (1880, 11036124), (1914, 10840080), (1922, 10794960), (1980, 10478744), (2046, 10140720), (2068, 10032840), (2088, 9936740), (2115, 9809888), (2232, 9295660), (2256, 9196770), (2320, 8943066), (2480, 8366094), (2552, 8130060), (2585, 8026272), (2610, 7949392), (2640, 7859058), (2697, 7692960), (2726, 7611120), (2728, 7605540), (2784, 7452555), (2790, 7436528), (2820, 7357416), (2871, 7226720), (2883, 7196640), (2914, 7120080), (2976, 6971745), (3069, 6760480), (3102, 6688560), (3168, 6549215), (3190, 6504048), (3384, 6131180), (3410, 6084432), (3480, 5962044), (3596, 5769720), (3720, 5577396), (3760, 5518062), (3828, 5420040), (3844, 5397480), (3960, 5239372), (4089, 5074080), (4092, 5070360), (4136, 5016420), (4176, 4968370), (4230, 4904944), (4371, 4746720), (4464, 4647830), (4495, 4615776), (4512, 4598385), (4640, 4471533), (4653, 4459040), (4785, 4336032), (4805, 4317984), (4960, 4183047), (5104, 4065030), (5115, 4056288), (5170, 4013136), (5220, 3974696), (5280, 3929529), (5394, 3846480), (5452, 3805560), (5456, 3802770), (5580, 3718264), (5640, 3678708), (5742, 3613360), (5766, 3598320), (5828, 3560040), (6138, 3380240), (6204, 3344280), (6380, 3252024), (6768, 3065590), (6815, 3044448), (6820, 3042216), (6960, 2981022), (7192, 2884860), (7285, 2848032), (7440, 2788698), (7520, 2759031), (7656, 2710020), (7688, 2698740), (7755, 2675424), (7920, 2619686), (8091, 2564320), (8178, 2537040), (8184, 2535180), (8272, 2508210), (8352, 2484185), (8460, 2452472), (8649, 2398880), (8742, 2373360), (8928, 2323915), (8990, 2307888), (9306, 2229520), (9570, 2168016), (9610, 2158992), (9889, 2098080), (10208, 2032515), (10230, 2028144), (10340, 2006568), (10440, 1987348), (10571, 1962720), (10788, 1923240), (10904, 1902780), (10912, 1901385), (11160, 1859132), (11280, 1839354), (11484, 1806680), (11532, 1799160), (11656, 1780020), (12267, 1691360), (12276, 1690120), (12408, 1672140), (12760, 1626012), (13113, 1582240), (13485, 1538592), (13536, 1532795), (13630, 1522224), (13640, 1521108), (13920, 1490511), (14355, 1445344), (14384, 1442430), (14415, 1439328), (14570, 1424016), (14880, 1394349), (14993, 1383840), (15312, 1355010), (15345, 1352096), (15376, 1349370), (15510, 1337712), (15840, 1309843), (16027, 1294560), (16182, 1282160), (16356, 1268520), (16368, 1267590), (16544, 1254105), (16920, 1226236), (17298, 1199440), (17484, 1186680), (17980, 1153944), (18612, 1114760), (19140, 1084008), (19220, 1079496), (19778, 1049040), (20445, 1014816), (20460, 1014072), (20680, 1003284), (20880, 993674), (21142, 981360), (21576, 961620), (21808, 951390), (21855, 949344), (22320, 929566), (22560, 919677), (22968, 903340), (23064, 899580), (23265, 891808), (23312, 890010), (24534, 845680), (24552, 845060), (24816, 836070), (25520, 813006), (26226, 791120), (26970, 769296), (27260, 761112), (27280, 760554), (27869, 744480), (28710, 722672), (28768, 721215), (28830, 719664), (29140, 712008), (29667, 699360), (29986, 691920), (30624, 677505), (30690, 676048), (30752, 674685), (31020, 668856), (31713, 654240), (32054, 647280), (32364, 641080), (32712, 634260), (32736, 633795), (33840, 613118), (34596, 599720), (34968, 593340), (35960, 576972), (37224, 557380), (38280, 542004), (38440, 539748), (39556, 524520), (40455, 512864), (40890, 507408), (40920, 507036), (41360, 501642), (41760, 496837), (42253, 491040), (42284, 490680), (43152, 480810), (43245, 479776), (43616, 475695), (43710, 474672), (44640, 464783), (44979, 461280), (45167, 459360), (45936, 451670), (46128, 449790), (46530, 445904), (46624, 445005), (48081, 431520), (49068, 422840), (49104, 422530), (49445, 419616), (49632, 418035), (51040, 406503), (52452, 395560), (52855, 392544), (53940, 384648), (54520, 380556), (54560, 380277), (55738, 372240), (57420, 361336), (57660, 359832), (58280, 356004), (59334, 349680), (59972, 345960), (61335, 338272), (61380, 338024), (62040, 334428), (63426, 327120), (64108, 323640), (64728, 320540), (65424, 317130), (65565, 316448), (67680, 306559), (69192, 299860), (69936, 296670), (71920, 288486), (74448, 278690), (74965, 276768), (76560, 271002), (76880, 269874), (79112, 262260), (80135, 258912), (80910, 256432), (81780, 253704), (81840, 253518), (82720, 250821), (83607, 248160), (84506, 245520), (84568, 245340), (86304, 240405), (86490, 239888), (87420, 237336), (89001, 233120), (89958, 230640), (90334, 229680), (91872, 225835), (92256, 224895), (93060, 222952), (95139, 218080), (96162, 215760), (98136, 211420), (98208, 211265), (98890, 209808), (104904, 197780), (105710, 196272), (107880, 192324), (109040, 190278), (111476, 186120), (114840, 180668), (115320, 179916), (116560, 178002), (118668, 174840), (119944, 172980), (122670, 169136), (122760, 169012), (124080, 167214), (126759, 163680), (126852, 163560), (128216, 161820), (129456, 160270), (130848, 158565), (131130, 158224), (134937, 153760), (135501, 153120), (138384, 149930), (139345, 148896), (139872, 148335), (143840, 144243)]