20952683520

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:645

約数の個数: 352

約数和(自身を含む): 70631129088

約数和(自身を除く): 49678445568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 127, 128, 138, 160, 184, 192, 230, 240, 254, 256, 276, 320, 345, 368, 381, 384, 460, 467, 480, 508, 512, 552, 635, 640, 690, 736, 762, 768, 920, 934, 960, 1016, 1024, 1104, 1270, 1280, 1380, 1401, 1472, 1524, 1536, 1840, 1868, 1905, 1920, 2032, 2208, 2335, 2540, 2560, 2760, 2802, 2921, 2944, 3048, 3072, 3680, 3736, 3810, 3840, 4064, 4416, 4670, 5080, 5120, 5520, 5604, 5842, 5888, 6096, 7005, 7360, 7472, 7620, 7680, 8128, 8763, 8832, 9340, 10160, 10741, 11040, 11208, 11684, 11776, 12192, 14010, 14605, 14720, 14944, 15240, 15360, 16256, 17526, 17664, 18680, 20320, 21482, 22080, 22416, 23368, 23552, 24384, 28020, 29210, 29440, 29888, 30480, 32223, 32512, 35052, 35328, 37360, 40640, 42964, 43815, 44160, 44832, 46736, 48768, 53705, 56040, 58420, 58880, 59309, 59776, 60960, 64446, 65024, 70104, 70656, 74720, 81280, 85928, 87630, 88320, 89664, 93472, 97536, 107410, 112080, 116840, 117760, 118618, 119552, 121920, 128892, 130048, 140208, 149440, 161115, 162560, 171856, 175260, 176640, 177927, 179328, 186944, 195072, 214820, 224160, 233680, 237236, 239104, 243840, 257784, 280416, 296545, 298880, 322230, 325120, 343712, 350520, 353280, 355854, 358656, 373888, 390144, 429640, 448320, 467360, 474472, 478208, 487680, 515568, 560832, 593090, 597760, 644460, 650240, 687424, 701040, 711708, 717312, 747776, 859280, 889635, 896640, 934720, 948944, 975360, 1031136, 1121664, 1186180, 1195520, 1288920, 1364107, 1374848, 1402080, 1423416, 1434624, 1495552, 1718560, 1779270, 1793280, 1869440, 1897888, 1950720, 2062272, 2243328, 2372360, 2391040, 2577840, 2728214, 2749696, 2804160, 2846832, 2991104, 3437120, 3558540, 3586560, 3738880, 3795776, 4092321, 4124544, 4486656, 4744720, 5155680, 5456428, 5499392, 5608320, 5693664, 6820535, 6874240, 7117080, 7173120, 7477760, 7591552, 8184642, 8249088, 8973312, 9489440, 10311360, 10912856, 10998784, 11216640, 11387328, 13641070, 13748480, 14234160, 14955520, 15183104, 16369284, 16498176, 18978880, 20461605, 20622720, 21825712, 22433280, 22774656, 27282140, 27496960, 28468320, 30366208, 32738568, 32996352, 37957760, 40923210, 41245440, 43651424, 44866560, 45549312, 54564280, 54993920, 56936640, 60732416, 65477136, 75915520, 81846420, 82490880, 87302848, 91098624, 109128560, 113873280, 130954272, 151831040, 163692840, 164981760, 174605696, 182197248, 218257120, 227746560, 261908544, 303662080, 327385680, 349211392, 436514240, 455493120, 523817088, 654771360, 698422784, 873028480, 910986240, 1047634176, 1309542720, 1396845568, 1746056960, 2095268352, 2619085440, 3492113920, 4190536704, 5238170880, 6984227840, 10476341760, 20952683520]

約数ペア:

[(1, 20952683520), (2, 10476341760), (3, 6984227840), (4, 5238170880), (5, 4190536704), (6, 3492113920), (8, 2619085440), (10, 2095268352), (12, 1746056960), (15, 1396845568), (16, 1309542720), (20, 1047634176), (23, 910986240), (24, 873028480), (30, 698422784), (32, 654771360), (40, 523817088), (46, 455493120), (48, 436514240), (60, 349211392), (64, 327385680), (69, 303662080), (80, 261908544), (92, 227746560), (96, 218257120), (115, 182197248), (120, 174605696), (127, 164981760), (128, 163692840), (138, 151831040), (160, 130954272), (184, 113873280), (192, 109128560), (230, 91098624), (240, 87302848), (254, 82490880), (256, 81846420), (276, 75915520), (320, 65477136), (345, 60732416), (368, 56936640), (381, 54993920), (384, 54564280), (460, 45549312), (467, 44866560), (480, 43651424), (508, 41245440), (512, 40923210), (552, 37957760), (635, 32996352), (640, 32738568), (690, 30366208), (736, 28468320), (762, 27496960), (768, 27282140), (920, 22774656), (934, 22433280), (960, 21825712), (1016, 20622720), (1024, 20461605), (1104, 18978880), (1270, 16498176), (1280, 16369284), (1380, 15183104), (1401, 14955520), (1472, 14234160), (1524, 13748480), (1536, 13641070), (1840, 11387328), (1868, 11216640), (1905, 10998784), (1920, 10912856), (2032, 10311360), (2208, 9489440), (2335, 8973312), (2540, 8249088), (2560, 8184642), (2760, 7591552), (2802, 7477760), (2921, 7173120), (2944, 7117080), (3048, 6874240), (3072, 6820535), (3680, 5693664), (3736, 5608320), (3810, 5499392), (3840, 5456428), (4064, 5155680), (4416, 4744720), (4670, 4486656), (5080, 4124544), (5120, 4092321), (5520, 3795776), (5604, 3738880), (5842, 3586560), (5888, 3558540), (6096, 3437120), (7005, 2991104), (7360, 2846832), (7472, 2804160), (7620, 2749696), (7680, 2728214), (8128, 2577840), (8763, 2391040), (8832, 2372360), (9340, 2243328), (10160, 2062272), (10741, 1950720), (11040, 1897888), (11208, 1869440), (11684, 1793280), (11776, 1779270), (12192, 1718560), (14010, 1495552), (14605, 1434624), (14720, 1423416), (14944, 1402080), (15240, 1374848), (15360, 1364107), (16256, 1288920), (17526, 1195520), (17664, 1186180), (18680, 1121664), (20320, 1031136), (21482, 975360), (22080, 948944), (22416, 934720), (23368, 896640), (23552, 889635), (24384, 859280), (28020, 747776), (29210, 717312), (29440, 711708), (29888, 701040), (30480, 687424), (32223, 650240), (32512, 644460), (35052, 597760), (35328, 593090), (37360, 560832), (40640, 515568), (42964, 487680), (43815, 478208), (44160, 474472), (44832, 467360), (46736, 448320), (48768, 429640), (53705, 390144), (56040, 373888), (58420, 358656), (58880, 355854), (59309, 353280), (59776, 350520), (60960, 343712), (64446, 325120), (65024, 322230), (70104, 298880), (70656, 296545), (74720, 280416), (81280, 257784), (85928, 243840), (87630, 239104), (88320, 237236), (89664, 233680), (93472, 224160), (97536, 214820), (107410, 195072), (112080, 186944), (116840, 179328), (117760, 177927), (118618, 176640), (119552, 175260), (121920, 171856), (128892, 162560), (130048, 161115), (140208, 149440)]