20790469440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{555301}}^1$

素因数の和:555337

約数の個数: 168

約数和(自身を含む): 77011502568

約数和(自身を除く): 56221033128

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 6240, 7488, 9360, 12480, 18720, 37440, 555301, 1110602, 1665903, 2221204, 2776505, 3331806, 4442408, 4997709, 5553010, 6663612, 7218913, 8329515, 8884816, 9995418, 11106020, 13327224, 14437826, 16659030, 17769632, 19990836, 21656739, 22212040, 24988545, 26654448, 28875652, 33318060, 35539264, 36094565, 39981672, 43313478, 44424080, 49977090, 53308896, 57751304, 64970217, 66636120, 72189130, 79963344, 86626956, 88848160, 99954180, 106617792, 108283695, 115502608, 129940434, 133272240, 144378260, 159926688, 173253912, 177696320, 199908360, 216567390, 231005216, 259880868, 266544480, 288756520, 319853376, 324851085, 346507824, 399816720, 433134780, 462010432, 519761736, 533088960, 577513040, 649702170, 693015648, 799633440, 866269560, 1039523472, 1155026080, 1299404340, 1386031296, 1599266880, 1732539120, 2079046944, 2310052160, 2598808680, 3465078240, 4158093888, 5197617360, 6930156480, 10395234720, 20790469440]

約数ペア:

[(1, 20790469440), (2, 10395234720), (3, 6930156480), (4, 5197617360), (5, 4158093888), (6, 3465078240), (8, 2598808680), (9, 2310052160), (10, 2079046944), (12, 1732539120), (13, 1599266880), (15, 1386031296), (16, 1299404340), (18, 1155026080), (20, 1039523472), (24, 866269560), (26, 799633440), (30, 693015648), (32, 649702170), (36, 577513040), (39, 533088960), (40, 519761736), (45, 462010432), (48, 433134780), (52, 399816720), (60, 346507824), (64, 324851085), (65, 319853376), (72, 288756520), (78, 266544480), (80, 259880868), (90, 231005216), (96, 216567390), (104, 199908360), (117, 177696320), (120, 173253912), (130, 159926688), (144, 144378260), (156, 133272240), (160, 129940434), (180, 115502608), (192, 108283695), (195, 106617792), (208, 99954180), (234, 88848160), (240, 86626956), (260, 79963344), (288, 72189130), (312, 66636120), (320, 64970217), (360, 57751304), (390, 53308896), (416, 49977090), (468, 44424080), (480, 43313478), (520, 39981672), (576, 36094565), (585, 35539264), (624, 33318060), (720, 28875652), (780, 26654448), (832, 24988545), (936, 22212040), (960, 21656739), (1040, 19990836), (1170, 17769632), (1248, 16659030), (1440, 14437826), (1560, 13327224), (1872, 11106020), (2080, 9995418), (2340, 8884816), (2496, 8329515), (2880, 7218913), (3120, 6663612), (3744, 5553010), (4160, 4997709), (4680, 4442408), (6240, 3331806), (7488, 2776505), (9360, 2221204), (12480, 1665903), (18720, 1110602), (37440, 555301)]