20218487380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 288

約数和(自身を含む): 55191628800

約数和(自身を除く): 34973141420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 79, 91, 116, 130, 140, 145, 158, 169, 182, 203, 260, 290, 316, 338, 364, 373, 377, 395, 406, 455, 553, 580, 676, 746, 754, 790, 812, 845, 910, 1015, 1027, 1106, 1183, 1492, 1508, 1580, 1690, 1820, 1865, 1885, 2030, 2054, 2212, 2291, 2366, 2611, 2639, 2765, 3380, 3730, 3770, 4060, 4108, 4582, 4732, 4849, 4901, 5135, 5222, 5278, 5530, 5915, 7189, 7460, 7540, 9164, 9698, 9802, 10270, 10444, 10556, 10817, 11060, 11455, 11830, 13055, 13195, 13351, 14378, 16037, 19396, 19604, 20540, 21634, 22910, 23660, 24245, 24505, 26110, 26390, 26702, 28756, 29467, 29783, 32074, 33943, 34307, 35945, 43268, 45820, 48490, 49010, 52220, 52780, 53404, 54085, 58934, 59566, 63037, 64148, 66755, 67886, 68614, 71890, 75719, 80185, 93457, 96980, 98020, 108170, 117868, 119132, 126074, 133510, 135772, 137228, 140621, 143780, 147335, 148915, 151438, 160370, 169715, 171535, 186914, 206269, 208481, 216340, 252148, 267020, 281242, 294670, 297830, 302876, 315185, 320740, 339430, 343070, 373828, 378595, 383071, 387179, 412538, 416962, 441259, 467285, 562484, 589340, 595660, 630370, 678860, 686140, 703105, 757190, 766142, 774358, 825076, 833924, 854543, 882518, 934570, 984347, 1031345, 1042405, 1260740, 1406210, 1514380, 1532284, 1548716, 1709086, 1765036, 1828073, 1869140, 1915355, 1935895, 1968694, 2062690, 2084810, 2206295, 2681497, 2710253, 2812420, 3418172, 3656146, 3830710, 3871790, 3937388, 4125380, 4169620, 4272715, 4412590, 4921735, 4979923, 5362994, 5420506, 5981801, 7312292, 7661420, 7743580, 8545430, 8825180, 9140365, 9843470, 9959846, 10725988, 10841012, 11109059, 11963602, 12796511, 13407485, 13551265, 17090860, 18280730, 19686940, 19919692, 22218118, 23927204, 24899615, 25593022, 26814970, 27102530, 29909005, 34859461, 36561460, 44436236, 49799230, 51186044, 53629940, 54205060, 55545295, 59818010, 63982555, 69718922, 77763413, 99598460, 111090590, 119636020, 127965110, 139437844, 144417767, 155526826, 174297305, 222181180, 255930220, 288835534, 311053652, 348594610, 388817065, 577671068, 697189220, 722088835, 777634130, 1010924369, 1444177670, 1555268260, 2021848738, 2888355340, 4043697476, 5054621845, 10109243690, 20218487380]

約数ペア:

[(1, 20218487380), (2, 10109243690), (4, 5054621845), (5, 4043697476), (7, 2888355340), (10, 2021848738), (13, 1555268260), (14, 1444177670), (20, 1010924369), (26, 777634130), (28, 722088835), (29, 697189220), (35, 577671068), (52, 388817065), (58, 348594610), (65, 311053652), (70, 288835534), (79, 255930220), (91, 222181180), (116, 174297305), (130, 155526826), (140, 144417767), (145, 139437844), (158, 127965110), (169, 119636020), (182, 111090590), (203, 99598460), (260, 77763413), (290, 69718922), (316, 63982555), (338, 59818010), (364, 55545295), (373, 54205060), (377, 53629940), (395, 51186044), (406, 49799230), (455, 44436236), (553, 36561460), (580, 34859461), (676, 29909005), (746, 27102530), (754, 26814970), (790, 25593022), (812, 24899615), (845, 23927204), (910, 22218118), (1015, 19919692), (1027, 19686940), (1106, 18280730), (1183, 17090860), (1492, 13551265), (1508, 13407485), (1580, 12796511), (1690, 11963602), (1820, 11109059), (1865, 10841012), (1885, 10725988), (2030, 9959846), (2054, 9843470), (2212, 9140365), (2291, 8825180), (2366, 8545430), (2611, 7743580), (2639, 7661420), (2765, 7312292), (3380, 5981801), (3730, 5420506), (3770, 5362994), (4060, 4979923), (4108, 4921735), (4582, 4412590), (4732, 4272715), (4849, 4169620), (4901, 4125380), (5135, 3937388), (5222, 3871790), (5278, 3830710), (5530, 3656146), (5915, 3418172), (7189, 2812420), (7460, 2710253), (7540, 2681497), (9164, 2206295), (9698, 2084810), (9802, 2062690), (10270, 1968694), (10444, 1935895), (10556, 1915355), (10817, 1869140), (11060, 1828073), (11455, 1765036), (11830, 1709086), (13055, 1548716), (13195, 1532284), (13351, 1514380), (14378, 1406210), (16037, 1260740), (19396, 1042405), (19604, 1031345), (20540, 984347), (21634, 934570), (22910, 882518), (23660, 854543), (24245, 833924), (24505, 825076), (26110, 774358), (26390, 766142), (26702, 757190), (28756, 703105), (29467, 686140), (29783, 678860), (32074, 630370), (33943, 595660), (34307, 589340), (35945, 562484), (43268, 467285), (45820, 441259), (48490, 416962), (49010, 412538), (52220, 387179), (52780, 383071), (53404, 378595), (54085, 373828), (58934, 343070), (59566, 339430), (63037, 320740), (64148, 315185), (66755, 302876), (67886, 297830), (68614, 294670), (71890, 281242), (75719, 267020), (80185, 252148), (93457, 216340), (96980, 208481), (98020, 206269), (108170, 186914), (117868, 171535), (119132, 169715), (126074, 160370), (133510, 151438), (135772, 148915), (137228, 147335), (140621, 143780)]