20997917640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3881}}^1$

素因数の和:4037

約数の個数: 384

約数和(自身を含む): 82844985600

約数和(自身を除く): 61847067960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 113, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 226, 228, 252, 266, 280, 285, 315, 339, 342, 360, 380, 399, 420, 452, 456, 504, 532, 565, 570, 630, 665, 678, 684, 760, 791, 798, 840, 855, 904, 1017, 1064, 1130, 1140, 1197, 1260, 1330, 1356, 1368, 1582, 1596, 1695, 1710, 1995, 2034, 2147, 2260, 2280, 2373, 2394, 2520, 2660, 2712, 3164, 3192, 3390, 3420, 3881, 3955, 3990, 4068, 4294, 4520, 4746, 4788, 5085, 5320, 5985, 6328, 6441, 6780, 6840, 7119, 7762, 7910, 7980, 8136, 8588, 9492, 9576, 10170, 10735, 11643, 11865, 11970, 12882, 13560, 14238, 15029, 15524, 15820, 15960, 17176, 18984, 19323, 19405, 20340, 21470, 23286, 23730, 23940, 25764, 27167, 28476, 30058, 31048, 31640, 32205, 34929, 35595, 38646, 38810, 40680, 42940, 45087, 46572, 47460, 47880, 51528, 54334, 56952, 58215, 60116, 64410, 69858, 71190, 73739, 75145, 77292, 77620, 81501, 85880, 90174, 93144, 94920, 96615, 108668, 116430, 120232, 128820, 135261, 135835, 139716, 142380, 147478, 150290, 154584, 155240, 163002, 174645, 180348, 193230, 217336, 221217, 225435, 232860, 244503, 257640, 270522, 271670, 279432, 284760, 294956, 300580, 326004, 349290, 360696, 368695, 386460, 407505, 438553, 442434, 450870, 465720, 489006, 516173, 541044, 543340, 589912, 601160, 652008, 663651, 676305, 698580, 737390, 772920, 815010, 877106, 884868, 901740, 978012, 1032346, 1082088, 1086680, 1106085, 1222515, 1315659, 1327302, 1352610, 1397160, 1474780, 1548519, 1630020, 1754212, 1769736, 1803480, 1956024, 2064692, 2192765, 2212170, 2445030, 2580865, 2631318, 2654604, 2705220, 2949560, 3069871, 3097038, 3260040, 3318255, 3508424, 3946977, 4129384, 4385530, 4424340, 4645557, 4890060, 5161730, 5262636, 5309208, 5410440, 6139742, 6194076, 6578295, 6636510, 7742595, 7893954, 8332507, 8771060, 8848680, 9209613, 9291114, 9780120, 10323460, 10525272, 12279484, 12388152, 13156590, 13273020, 15349355, 15485190, 15787908, 16665014, 17542120, 18419226, 18582228, 19734885, 20646920, 23227785, 24558968, 24997521, 26313180, 26546040, 27628839, 30698710, 30970380, 31575816, 33330028, 36838452, 37164456, 39469770, 41662535, 46048065, 46455570, 49995042, 52626360, 55257678, 58327549, 61397420, 61940760, 66660056, 73676904, 74992563, 78939540, 83325070, 92096130, 92911140, 99990084, 110515356, 116655098, 122794840, 124987605, 138144195, 149985126, 157879080, 166650140, 174982647, 184192260, 185822280, 199980168, 221030712, 233310196, 249975210, 276288390, 291637745, 299970252, 333300280, 349965294, 368384520, 374962815, 466620392, 499950420, 524947941, 552576780, 583275490, 599940504, 699930588, 749925630, 874913235, 999900840, 1049895882, 1105153560, 1166550980, 1399861176, 1499851260, 1749826470, 2099791764, 2333101960, 2624739705, 2999702520, 3499652940, 4199583528, 5249479410, 6999305880, 10498958820, 20997917640]

約数ペア:

[(1, 20997917640), (2, 10498958820), (3, 6999305880), (4, 5249479410), (5, 4199583528), (6, 3499652940), (7, 2999702520), (8, 2624739705), (9, 2333101960), (10, 2099791764), (12, 1749826470), (14, 1499851260), (15, 1399861176), (18, 1166550980), (19, 1105153560), (20, 1049895882), (21, 999900840), (24, 874913235), (28, 749925630), (30, 699930588), (35, 599940504), (36, 583275490), (38, 552576780), (40, 524947941), (42, 499950420), (45, 466620392), (56, 374962815), (57, 368384520), (60, 349965294), (63, 333300280), (70, 299970252), (72, 291637745), (76, 276288390), (84, 249975210), (90, 233310196), (95, 221030712), (105, 199980168), (113, 185822280), (114, 184192260), (120, 174982647), (126, 166650140), (133, 157879080), (140, 149985126), (152, 138144195), (168, 124987605), (171, 122794840), (180, 116655098), (190, 110515356), (210, 99990084), (226, 92911140), (228, 92096130), (252, 83325070), (266, 78939540), (280, 74992563), (285, 73676904), (315, 66660056), (339, 61940760), (342, 61397420), (360, 58327549), (380, 55257678), (399, 52626360), (420, 49995042), (452, 46455570), (456, 46048065), (504, 41662535), (532, 39469770), (565, 37164456), (570, 36838452), (630, 33330028), (665, 31575816), (678, 30970380), (684, 30698710), (760, 27628839), (791, 26546040), (798, 26313180), (840, 24997521), (855, 24558968), (904, 23227785), (1017, 20646920), (1064, 19734885), (1130, 18582228), (1140, 18419226), (1197, 17542120), (1260, 16665014), (1330, 15787908), (1356, 15485190), (1368, 15349355), (1582, 13273020), (1596, 13156590), (1695, 12388152), (1710, 12279484), (1995, 10525272), (2034, 10323460), (2147, 9780120), (2260, 9291114), (2280, 9209613), (2373, 8848680), (2394, 8771060), (2520, 8332507), (2660, 7893954), (2712, 7742595), (3164, 6636510), (3192, 6578295), (3390, 6194076), (3420, 6139742), (3881, 5410440), (3955, 5309208), (3990, 5262636), (4068, 5161730), (4294, 4890060), (4520, 4645557), (4746, 4424340), (4788, 4385530), (5085, 4129384), (5320, 3946977), (5985, 3508424), (6328, 3318255), (6441, 3260040), (6780, 3097038), (6840, 3069871), (7119, 2949560), (7762, 2705220), (7910, 2654604), (7980, 2631318), (8136, 2580865), (8588, 2445030), (9492, 2212170), (9576, 2192765), (10170, 2064692), (10735, 1956024), (11643, 1803480), (11865, 1769736), (11970, 1754212), (12882, 1630020), (13560, 1548519), (14238, 1474780), (15029, 1397160), (15524, 1352610), (15820, 1327302), (15960, 1315659), (17176, 1222515), (18984, 1106085), (19323, 1086680), (19405, 1082088), (20340, 1032346), (21470, 978012), (23286, 901740), (23730, 884868), (23940, 877106), (25764, 815010), (27167, 772920), (28476, 737390), (30058, 698580), (31048, 676305), (31640, 663651), (32205, 652008), (34929, 601160), (35595, 589912), (38646, 543340), (38810, 541044), (40680, 516173), (42940, 489006), (45087, 465720), (46572, 450870), (47460, 442434), (47880, 438553), (51528, 407505), (54334, 386460), (56952, 368695), (58215, 360696), (60116, 349290), (64410, 326004), (69858, 300580), (71190, 294956), (73739, 284760), (75145, 279432), (77292, 271670), (77620, 270522), (81501, 257640), (85880, 244503), (90174, 232860), (93144, 225435), (94920, 221217), (96615, 217336), (108668, 193230), (116430, 180348), (120232, 174645), (128820, 163002), (135261, 155240), (135835, 154584), (139716, 150290), (142380, 147478)]