20639117520

素因数分解:

$2^4\times 3^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:550

約数の個数: 720

約数和(自身を含む): 85580022528

約数和(自身を除く): 64940905008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 48, 49, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 94, 98, 105, 108, 112, 120, 126, 135, 140, 141, 144, 147, 162, 168, 180, 188, 189, 196, 210, 216, 235, 240, 243, 245, 252, 270, 280, 282, 294, 315, 324, 329, 336, 360, 376, 378, 392, 405, 420, 423, 432, 441, 461, 470, 486, 490, 504, 540, 560, 564, 567, 588, 630, 648, 658, 705, 720, 735, 752, 756, 784, 810, 840, 846, 882, 922, 940, 945, 972, 980, 987, 1008, 1080, 1128, 1134, 1176, 1215, 1260, 1269, 1296, 1316, 1323, 1383, 1410, 1470, 1512, 1620, 1645, 1680, 1692, 1701, 1764, 1844, 1880, 1890, 1944, 1960, 1974, 2115, 2160, 2205, 2256, 2268, 2303, 2305, 2352, 2430, 2520, 2538, 2632, 2646, 2766, 2820, 2835, 2940, 2961, 3024, 3227, 3240, 3290, 3384, 3402, 3528, 3688, 3760, 3780, 3807, 3888, 3920, 3948, 3969, 4149, 4230, 4410, 4536, 4606, 4610, 4860, 4935, 5040, 5076, 5264, 5292, 5532, 5640, 5670, 5880, 5922, 6345, 6454, 6480, 6580, 6615, 6768, 6804, 6909, 6915, 7056, 7376, 7560, 7614, 7896, 7938, 8298, 8460, 8505, 8820, 8883, 9072, 9212, 9220, 9681, 9720, 9870, 10152, 10584, 11064, 11280, 11340, 11421, 11515, 11760, 11844, 11907, 12447, 12690, 12908, 13160, 13230, 13608, 13818, 13830, 14805, 15120, 15228, 15792, 15876, 16135, 16596, 16920, 17010, 17640, 17766, 18424, 18440, 19035, 19362, 19440, 19740, 19845, 20304, 20727, 20745, 21168, 21667, 22128, 22589, 22680, 22842, 23030, 23688, 23814, 24894, 25380, 25816, 26320, 26460, 26649, 27216, 27636, 27660, 29043, 29610, 30456, 31752, 32270, 33192, 33840, 34020, 34545, 35280, 35532, 36848, 36880, 37341, 38070, 38724, 39480, 39690, 41454, 41490, 43334, 44415, 45178, 45360, 45684, 46060, 47376, 47628, 48405, 49788, 50760, 51632, 52920, 53298, 55272, 55320, 57105, 58086, 59220, 59535, 60912, 62181, 62235, 63504, 64540, 65001, 66384, 67767, 68040, 69090, 71064, 74682, 76140, 77448, 78960, 79380, 79947, 82908, 82980, 86668, 87129, 88830, 90356, 91368, 92120, 95256, 96810, 99576, 101520, 103635, 105840, 106596, 108335, 110544, 110640, 112023, 112945, 114210, 116172, 118440, 119070, 124362, 124470, 129080, 130002, 133245, 135534, 136080, 138180, 142128, 145215, 149364, 151669, 152280, 154896, 158760, 159894, 165816, 165960, 173336, 174258, 177660, 180712, 182736, 184240, 186543, 186705, 190512, 193620, 195003, 199152, 203301, 207270, 213192, 216670, 224046, 225890, 228420, 232344, 236880, 238140, 248724, 248940, 258160, 260004, 261387, 266490, 271068, 276360, 290430, 298728, 303338, 304560, 310905, 317520, 319788, 325005, 331632, 331920, 338835, 346672, 348516, 355320, 361424, 373086, 373410, 387240, 390006, 399735, 406602, 414540, 426384, 433340, 435645, 448092, 451780, 455007, 456840, 464688, 476280, 497448, 497880, 520008, 522774, 532980, 542136, 552720, 559629, 560115, 580860, 585009, 597456, 606676, 609903, 621810, 639576, 650010, 677670, 697032, 710640, 746172, 746820, 758345, 774480, 780012, 784161, 799470, 813204, 829080, 866680, 871290, 896184, 903560, 910014, 913680, 932715, 952560, 975015, 994896, 995760, 1016505, 1040016, 1045548, 1061683, 1065960, 1084272, 1119258, 1120230, 1161720, 1170018, 1213352, 1219806, 1243620, 1279152, 1300020, 1306935, 1355340, 1365021, 1394064, 1492344, 1493640, 1516690, 1560024, 1568322, 1598940, 1626408, 1658160, 1733360, 1742580, 1755027, 1792368, 1807120, 1820028, 1829709, 1865430, 1950030, 2033010, 2091096, 2123366, 2131920, 2238516, 2240460, 2275035, 2323440, 2340036, 2426704, 2439612, 2487240, 2600040, 2613870, 2710680, 2730042, 2798145, 2925045, 2984688, 2987280, 3033380, 3049515, 3120048, 3136644, 3185049, 3197880, 3252816, 3485160, 3510054, 3640056, 3659418, 3730860, 3900060, 3920805, 4066020, 4095063, 4182192, 4246732, 4477032, 4480920, 4550070, 4680072, 4879224, 4974480, 5200080, 5227740, 5265081, 5308415, 5421360, 5460084, 5489127, 5596290, 5850090, 6066760, 6099030, 6273288, 6370098, 6395760, 6825105, 6970320, 7020108, 7280112, 7318836, 7461720, 7800120, 7841610, 8132040, 8190126, 8493464, 8775135, 8954064, 8961840, 9100140, 9148545, 9360144, 9555147, 9758448, 10455480, 10530162, 10616830, 10920168, 10978254, 11192580, 11700180, 12133520, 12198060, 12285189, 12546576, 12740196, 13650210, 14040216, 14637672, 14923440, 15600240, 15683220, 15925245, 16264080, 16380252, 16986928, 17550270, 18200280, 18297090, 19110294, 20475315, 20910960, 21060324, 21233660, 21840336, 21956508, 22385160, 23400360, 24396120, 24570378, 25480392, 26325405, 27300420, 27445635, 28080432, 28665441, 29275344, 31366440, 31850490, 32760504, 35100540, 36400560, 36594180, 36855567, 38220588, 40950630, 42120648, 42467320, 43913016, 44770320, 46800720, 47775735, 48792240, 49140756, 50960784, 52650810, 54600840, 54891270, 57330882, 61425945, 62732880, 63700980, 65521008, 70201080, 73188360, 73711134, 76441176, 81901260, 84241296, 84934640, 85996323, 87826032, 95551470, 98281512, 105301620, 109201680, 109782540, 114661764, 122851890, 127401960, 140402160, 143327205, 146376720, 147422268, 152882352, 163802520, 171992646, 184277835, 191102940, 196563024, 210603240, 219565080, 229323528, 245703780, 254803920, 257988969, 286654410, 294844536, 327605040, 343985292, 368555670, 382205880, 421206480, 429981615, 439130160, 458647056, 491407560, 515977938, 573308820, 589689072, 687970584, 737111340, 764411760, 859963230, 982815120, 1031955876, 1146617640, 1289944845, 1375941168, 1474222680, 1719926460, 2063911752, 2293235280, 2579889690, 2948445360, 3439852920, 4127823504, 5159779380, 6879705840, 10319558760, 20639117520]

約数ペア:

[(1, 20639117520), (2, 10319558760), (3, 6879705840), (4, 5159779380), (5, 4127823504), (6, 3439852920), (7, 2948445360), (8, 2579889690), (9, 2293235280), (10, 2063911752), (12, 1719926460), (14, 1474222680), (15, 1375941168), (16, 1289944845), (18, 1146617640), (20, 1031955876), (21, 982815120), (24, 859963230), (27, 764411760), (28, 737111340), (30, 687970584), (35, 589689072), (36, 573308820), (40, 515977938), (42, 491407560), (45, 458647056), (47, 439130160), (48, 429981615), (49, 421206480), (54, 382205880), (56, 368555670), (60, 343985292), (63, 327605040), (70, 294844536), (72, 286654410), (80, 257988969), (81, 254803920), (84, 245703780), (90, 229323528), (94, 219565080), (98, 210603240), (105, 196563024), (108, 191102940), (112, 184277835), (120, 171992646), (126, 163802520), (135, 152882352), (140, 147422268), (141, 146376720), (144, 143327205), (147, 140402160), (162, 127401960), (168, 122851890), (180, 114661764), (188, 109782540), (189, 109201680), (196, 105301620), (210, 98281512), (216, 95551470), (235, 87826032), (240, 85996323), (243, 84934640), (245, 84241296), (252, 81901260), (270, 76441176), (280, 73711134), (282, 73188360), (294, 70201080), (315, 65521008), (324, 63700980), (329, 62732880), (336, 61425945), (360, 57330882), (376, 54891270), (378, 54600840), (392, 52650810), (405, 50960784), (420, 49140756), (423, 48792240), (432, 47775735), (441, 46800720), (461, 44770320), (470, 43913016), (486, 42467320), (490, 42120648), (504, 40950630), (540, 38220588), (560, 36855567), (564, 36594180), (567, 36400560), (588, 35100540), (630, 32760504), (648, 31850490), (658, 31366440), (705, 29275344), (720, 28665441), (735, 28080432), (752, 27445635), (756, 27300420), (784, 26325405), (810, 25480392), (840, 24570378), (846, 24396120), (882, 23400360), (922, 22385160), (940, 21956508), (945, 21840336), (972, 21233660), (980, 21060324), (987, 20910960), (1008, 20475315), (1080, 19110294), (1128, 18297090), (1134, 18200280), (1176, 17550270), (1215, 16986928), (1260, 16380252), (1269, 16264080), (1296, 15925245), (1316, 15683220), (1323, 15600240), (1383, 14923440), (1410, 14637672), (1470, 14040216), (1512, 13650210), (1620, 12740196), (1645, 12546576), (1680, 12285189), (1692, 12198060), (1701, 12133520), (1764, 11700180), (1844, 11192580), (1880, 10978254), (1890, 10920168), (1944, 10616830), (1960, 10530162), (1974, 10455480), (2115, 9758448), (2160, 9555147), (2205, 9360144), (2256, 9148545), (2268, 9100140), (2303, 8961840), (2305, 8954064), (2352, 8775135), (2430, 8493464), (2520, 8190126), (2538, 8132040), (2632, 7841610), (2646, 7800120), (2766, 7461720), (2820, 7318836), (2835, 7280112), (2940, 7020108), (2961, 6970320), (3024, 6825105), (3227, 6395760), (3240, 6370098), (3290, 6273288), (3384, 6099030), (3402, 6066760), (3528, 5850090), (3688, 5596290), (3760, 5489127), (3780, 5460084), (3807, 5421360), (3888, 5308415), (3920, 5265081), (3948, 5227740), (3969, 5200080), (4149, 4974480), (4230, 4879224), (4410, 4680072), (4536, 4550070), (4606, 4480920), (4610, 4477032), (4860, 4246732), (4935, 4182192), (5040, 4095063), (5076, 4066020), (5264, 3920805), (5292, 3900060), (5532, 3730860), (5640, 3659418), (5670, 3640056), (5880, 3510054), (5922, 3485160), (6345, 3252816), (6454, 3197880), (6480, 3185049), (6580, 3136644), (6615, 3120048), (6768, 3049515), (6804, 3033380), (6909, 2987280), (6915, 2984688), (7056, 2925045), (7376, 2798145), (7560, 2730042), (7614, 2710680), (7896, 2613870), (7938, 2600040), (8298, 2487240), (8460, 2439612), (8505, 2426704), (8820, 2340036), (8883, 2323440), (9072, 2275035), (9212, 2240460), (9220, 2238516), (9681, 2131920), (9720, 2123366), (9870, 2091096), (10152, 2033010), (10584, 1950030), (11064, 1865430), (11280, 1829709), (11340, 1820028), (11421, 1807120), (11515, 1792368), (11760, 1755027), (11844, 1742580), (11907, 1733360), (12447, 1658160), (12690, 1626408), (12908, 1598940), (13160, 1568322), (13230, 1560024), (13608, 1516690), (13818, 1493640), (13830, 1492344), (14805, 1394064), (15120, 1365021), (15228, 1355340), (15792, 1306935), (15876, 1300020), (16135, 1279152), (16596, 1243620), (16920, 1219806), (17010, 1213352), (17640, 1170018), (17766, 1161720), (18424, 1120230), (18440, 1119258), (19035, 1084272), (19362, 1065960), (19440, 1061683), (19740, 1045548), (19845, 1040016), (20304, 1016505), (20727, 995760), (20745, 994896), (21168, 975015), (21667, 952560), (22128, 932715), (22589, 913680), (22680, 910014), (22842, 903560), (23030, 896184), (23688, 871290), (23814, 866680), (24894, 829080), (25380, 813204), (25816, 799470), (26320, 784161), (26460, 780012), (26649, 774480), (27216, 758345), (27636, 746820), (27660, 746172), (29043, 710640), (29610, 697032), (30456, 677670), (31752, 650010), (32270, 639576), (33192, 621810), (33840, 609903), (34020, 606676), (34545, 597456), (35280, 585009), (35532, 580860), (36848, 560115), (36880, 559629), (37341, 552720), (38070, 542136), (38724, 532980), (39480, 522774), (39690, 520008), (41454, 497880), (41490, 497448), (43334, 476280), (44415, 464688), (45178, 456840), (45360, 455007), (45684, 451780), (46060, 448092), (47376, 435645), (47628, 433340), (48405, 426384), (49788, 414540), (50760, 406602), (51632, 399735), (52920, 390006), (53298, 387240), (55272, 373410), (55320, 373086), (57105, 361424), (58086, 355320), (59220, 348516), (59535, 346672), (60912, 338835), (62181, 331920), (62235, 331632), (63504, 325005), (64540, 319788), (65001, 317520), (66384, 310905), (67767, 304560), (68040, 303338), (69090, 298728), (71064, 290430), (74682, 276360), (76140, 271068), (77448, 266490), (78960, 261387), (79380, 260004), (79947, 258160), (82908, 248940), (82980, 248724), (86668, 238140), (87129, 236880), (88830, 232344), (90356, 228420), (91368, 225890), (92120, 224046), (95256, 216670), (96810, 213192), (99576, 207270), (101520, 203301), (103635, 199152), (105840, 195003), (106596, 193620), (108335, 190512), (110544, 186705), (110640, 186543), (112023, 184240), (112945, 182736), (114210, 180712), (116172, 177660), (118440, 174258), (119070, 173336), (124362, 165960), (124470, 165816), (129080, 159894), (130002, 158760), (133245, 154896), (135534, 152280), (136080, 151669), (138180, 149364), (142128, 145215)]