20201699520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{16741}}^1$

素因数の和:17183

約数の個数: 168

約数和(自身を含む): 69655425840

約数和(自身を除く): 49453726320

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, 419, 480, 576, 720, 838, 960, 1257, 1440, 1676, 2095, 2514, 2880, 3352, 3771, 4190, 5028, 6285, 6704, 7542, 8380, 10056, 12570, 13408, 15084, 16741, 16760, 18855, 20112, 25140, 26816, 30168, 33482, 33520, 37710, 40224, 50223, 50280, 60336, 66964, 67040, 75420, 80448, 83705, 100446, 100560, 120672, 133928, 134080, 150669, 150840, 167410, 200892, 201120, 241344, 251115, 267856, 301338, 301680, 334820, 401784, 402240, 502230, 535712, 602676, 603360, 669640, 753345, 803568, 1004460, 1071424, 1205352, 1206720, 1339280, 1506690, 1607136, 2008920, 2410704, 2678560, 3013380, 3214272, 4017840, 4821408, 5357120, 6026760, 7014479, 8035680, 9642816, 12053520, 14028958, 16071360, 21043437, 24107040, 28057916, 35072395, 42086874, 48214080, 56115832, 63130311, 70144790, 84173748, 105217185, 112231664, 126260622, 140289580, 168347496, 210434370, 224463328, 252521244, 280579160, 315651555, 336694992, 420868740, 448926656, 505042488, 561158320, 631303110, 673389984, 841737480, 1010084976, 1122316640, 1262606220, 1346779968, 1683474960, 2020169952, 2244633280, 2525212440, 3366949920, 4040339904, 5050424880, 6733899840, 10100849760, 20201699520]

約数ペア:

[(1, 20201699520), (2, 10100849760), (3, 6733899840), (4, 5050424880), (5, 4040339904), (6, 3366949920), (8, 2525212440), (9, 2244633280), (10, 2020169952), (12, 1683474960), (15, 1346779968), (16, 1262606220), (18, 1122316640), (20, 1010084976), (24, 841737480), (30, 673389984), (32, 631303110), (36, 561158320), (40, 505042488), (45, 448926656), (48, 420868740), (60, 336694992), (64, 315651555), (72, 280579160), (80, 252521244), (90, 224463328), (96, 210434370), (120, 168347496), (144, 140289580), (160, 126260622), (180, 112231664), (192, 105217185), (240, 84173748), (288, 70144790), (320, 63130311), (360, 56115832), (419, 48214080), (480, 42086874), (576, 35072395), (720, 28057916), (838, 24107040), (960, 21043437), (1257, 16071360), (1440, 14028958), (1676, 12053520), (2095, 9642816), (2514, 8035680), (2880, 7014479), (3352, 6026760), (3771, 5357120), (4190, 4821408), (5028, 4017840), (6285, 3214272), (6704, 3013380), (7542, 2678560), (8380, 2410704), (10056, 2008920), (12570, 1607136), (13408, 1506690), (15084, 1339280), (16741, 1206720), (16760, 1205352), (18855, 1071424), (20112, 1004460), (25140, 803568), (26816, 753345), (30168, 669640), (33482, 603360), (33520, 602676), (37710, 535712), (40224, 502230), (50223, 402240), (50280, 401784), (60336, 334820), (66964, 301680), (67040, 301338), (75420, 267856), (80448, 251115), (83705, 241344), (100446, 201120), (100560, 200892), (120672, 167410), (133928, 150840), (134080, 150669)]