20347938720

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50647}}^1$

素因数の和:50705

約数の個数: 240

約数和(自身を含む): 74129223168

約数和(自身を除く): 53781284448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 162, 180, 186, 216, 240, 248, 270, 279, 288, 310, 324, 360, 372, 405, 432, 465, 480, 496, 540, 558, 620, 648, 720, 744, 810, 837, 864, 930, 992, 1080, 1116, 1240, 1296, 1395, 1440, 1488, 1620, 1674, 1860, 2160, 2232, 2480, 2511, 2592, 2790, 2976, 3240, 3348, 3720, 4185, 4320, 4464, 4960, 5022, 5580, 6480, 6696, 7440, 8370, 8928, 10044, 11160, 12555, 12960, 13392, 14880, 16740, 20088, 22320, 25110, 26784, 33480, 40176, 44640, 50220, 50647, 66960, 80352, 100440, 101294, 133920, 151941, 200880, 202588, 253235, 303882, 401760, 405176, 455823, 506470, 607764, 759705, 810352, 911646, 1012940, 1215528, 1367469, 1519410, 1570057, 1620704, 1823292, 2025880, 2279115, 2431056, 2734938, 3038820, 3140114, 3646584, 4051760, 4102407, 4558230, 4710171, 4862112, 5469876, 6077640, 6280228, 6837345, 7293168, 7850285, 8103520, 8204814, 9116460, 9420342, 10939752, 12155280, 12560456, 13674690, 14130513, 14586336, 15700570, 16409628, 18232920, 18840684, 20512035, 21879504, 23550855, 24310560, 25120912, 27349380, 28261026, 31401140, 32819256, 36465840, 37681368, 41024070, 42391539, 43759008, 47101710, 50241824, 54698760, 56522052, 62802280, 65638512, 70652565, 72931680, 75362736, 82048140, 84783078, 94203420, 109397520, 113044104, 125604560, 127174617, 131277024, 141305130, 150725472, 164096280, 169566156, 188406840, 211957695, 218795040, 226088208, 251209120, 254349234, 282610260, 328192560, 339132312, 376813680, 423915390, 452176416, 508698468, 565220520, 635873085, 656385120, 678264624, 753627360, 847830780, 1017396936, 1130441040, 1271746170, 1356529248, 1695661560, 2034793872, 2260882080, 2543492340, 3391323120, 4069587744, 5086984680, 6782646240, 10173969360, 20347938720]

約数ペア:

[(1, 20347938720), (2, 10173969360), (3, 6782646240), (4, 5086984680), (5, 4069587744), (6, 3391323120), (8, 2543492340), (9, 2260882080), (10, 2034793872), (12, 1695661560), (15, 1356529248), (16, 1271746170), (18, 1130441040), (20, 1017396936), (24, 847830780), (27, 753627360), (30, 678264624), (31, 656385120), (32, 635873085), (36, 565220520), (40, 508698468), (45, 452176416), (48, 423915390), (54, 376813680), (60, 339132312), (62, 328192560), (72, 282610260), (80, 254349234), (81, 251209120), (90, 226088208), (93, 218795040), (96, 211957695), (108, 188406840), (120, 169566156), (124, 164096280), (135, 150725472), (144, 141305130), (155, 131277024), (160, 127174617), (162, 125604560), (180, 113044104), (186, 109397520), (216, 94203420), (240, 84783078), (248, 82048140), (270, 75362736), (279, 72931680), (288, 70652565), (310, 65638512), (324, 62802280), (360, 56522052), (372, 54698760), (405, 50241824), (432, 47101710), (465, 43759008), (480, 42391539), (496, 41024070), (540, 37681368), (558, 36465840), (620, 32819256), (648, 31401140), (720, 28261026), (744, 27349380), (810, 25120912), (837, 24310560), (864, 23550855), (930, 21879504), (992, 20512035), (1080, 18840684), (1116, 18232920), (1240, 16409628), (1296, 15700570), (1395, 14586336), (1440, 14130513), (1488, 13674690), (1620, 12560456), (1674, 12155280), (1860, 10939752), (2160, 9420342), (2232, 9116460), (2480, 8204814), (2511, 8103520), (2592, 7850285), (2790, 7293168), (2976, 6837345), (3240, 6280228), (3348, 6077640), (3720, 5469876), (4185, 4862112), (4320, 4710171), (4464, 4558230), (4960, 4102407), (5022, 4051760), (5580, 3646584), (6480, 3140114), (6696, 3038820), (7440, 2734938), (8370, 2431056), (8928, 2279115), (10044, 2025880), (11160, 1823292), (12555, 1620704), (12960, 1570057), (13392, 1519410), (14880, 1367469), (16740, 1215528), (20088, 1012940), (22320, 911646), (25110, 810352), (26784, 759705), (33480, 607764), (40176, 506470), (44640, 455823), (50220, 405176), (50647, 401760), (66960, 303882), (80352, 253235), (100440, 202588), (101294, 200880), (133920, 151941)]