20488236480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{7237}}^1$

素因数の和:8243

約数の個数: 168

約数和(自身を含む): 70552433952

約数和(自身を除く): 50064197472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 983, 1440, 1966, 2880, 2949, 3932, 4915, 5898, 7237, 7864, 8847, 9830, 11796, 14474, 14745, 15728, 17694, 19660, 21711, 23592, 28948, 29490, 31456, 35388, 36185, 39320, 43422, 44235, 47184, 57896, 58980, 62912, 65133, 70776, 72370, 78640, 86844, 88470, 94368, 108555, 115792, 117960, 130266, 141552, 144740, 157280, 173688, 176940, 188736, 217110, 231584, 235920, 260532, 283104, 289480, 314560, 325665, 347376, 353880, 434220, 463168, 471840, 521064, 566208, 578960, 651330, 694752, 707760, 868440, 943680, 1042128, 1157920, 1302660, 1389504, 1415520, 1736880, 2084256, 2315840, 2605320, 2831040, 3473760, 4168512, 5210640, 6947520, 7113971, 10421280, 14227942, 20842560, 21341913, 28455884, 35569855, 42683826, 56911768, 64025739, 71139710, 85367652, 106709565, 113823536, 128051478, 142279420, 170735304, 213419130, 227647072, 256102956, 284558840, 320128695, 341470608, 426838260, 455294144, 512205912, 569117680, 640257390, 682941216, 853676520, 1024411824, 1138235360, 1280514780, 1365882432, 1707353040, 2048823648, 2276470720, 2561029560, 3414706080, 4097647296, 5122059120, 6829412160, 10244118240, 20488236480]

約数ペア:

[(1, 20488236480), (2, 10244118240), (3, 6829412160), (4, 5122059120), (5, 4097647296), (6, 3414706080), (8, 2561029560), (9, 2276470720), (10, 2048823648), (12, 1707353040), (15, 1365882432), (16, 1280514780), (18, 1138235360), (20, 1024411824), (24, 853676520), (30, 682941216), (32, 640257390), (36, 569117680), (40, 512205912), (45, 455294144), (48, 426838260), (60, 341470608), (64, 320128695), (72, 284558840), (80, 256102956), (90, 227647072), (96, 213419130), (120, 170735304), (144, 142279420), (160, 128051478), (180, 113823536), (192, 106709565), (240, 85367652), (288, 71139710), (320, 64025739), (360, 56911768), (480, 42683826), (576, 35569855), (720, 28455884), (960, 21341913), (983, 20842560), (1440, 14227942), (1966, 10421280), (2880, 7113971), (2949, 6947520), (3932, 5210640), (4915, 4168512), (5898, 3473760), (7237, 2831040), (7864, 2605320), (8847, 2315840), (9830, 2084256), (11796, 1736880), (14474, 1415520), (14745, 1389504), (15728, 1302660), (17694, 1157920), (19660, 1042128), (21711, 943680), (23592, 868440), (28948, 707760), (29490, 694752), (31456, 651330), (35388, 578960), (36185, 566208), (39320, 521064), (43422, 471840), (44235, 463168), (47184, 434220), (57896, 353880), (58980, 347376), (62912, 325665), (65133, 314560), (70776, 289480), (72370, 283104), (78640, 260532), (86844, 235920), (88470, 231584), (94368, 217110), (108555, 188736), (115792, 176940), (117960, 173688), (130266, 157280), (141552, 144740)]