20970297920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{941}}^1$

素因数の和:1469

約数の個数: 224

約数和(自身を含む): 58848443136

約数和(自身を除く): 37878145216

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 487, 520, 572, 704, 715, 832, 880, 941, 974, 1040, 1144, 1430, 1760, 1882, 1948, 2080, 2288, 2435, 2860, 3520, 3764, 3896, 4160, 4576, 4705, 4870, 5357, 5720, 6331, 7528, 7792, 9152, 9410, 9740, 10351, 10714, 11440, 12233, 12662, 15056, 15584, 18820, 19480, 20702, 21428, 22880, 24466, 25324, 26785, 30112, 31168, 31655, 37640, 38960, 41404, 42856, 45760, 48932, 50648, 51755, 53570, 60224, 61165, 63310, 69641, 75280, 77920, 82808, 85712, 97864, 101296, 103510, 107140, 122330, 126620, 134563, 139282, 150560, 155840, 165616, 171424, 195728, 202592, 207020, 214280, 244660, 253240, 269126, 278564, 301120, 331232, 342848, 348205, 391456, 405184, 414040, 428560, 458267, 489320, 506480, 538252, 557128, 662464, 672815, 696410, 782912, 828080, 857120, 916534, 978640, 1012960, 1076504, 1114256, 1345630, 1392820, 1656160, 1714240, 1833068, 1957280, 2025920, 2153008, 2228512, 2291335, 2691260, 2785640, 3312320, 3666136, 3914560, 4306016, 4457024, 4582670, 5040937, 5382520, 5571280, 5957471, 7332272, 8612032, 9165340, 10081874, 10765040, 11142560, 11914942, 14664544, 18330680, 20163748, 21530080, 22285120, 23829884, 25204685, 29329088, 29787355, 36661360, 40327496, 43060160, 47659768, 50409370, 59574710, 65532181, 73322720, 80654992, 95319536, 100818740, 119149420, 131064362, 146645440, 161309984, 190639072, 201637480, 238298840, 262128724, 322619968, 327660905, 381278144, 403274960, 476597680, 524257448, 655321810, 806549920, 953195360, 1048514896, 1310643620, 1613099840, 1906390720, 2097029792, 2621287240, 4194059584, 5242574480, 10485148960, 20970297920]

約数ペア:

[(1, 20970297920), (2, 10485148960), (4, 5242574480), (5, 4194059584), (8, 2621287240), (10, 2097029792), (11, 1906390720), (13, 1613099840), (16, 1310643620), (20, 1048514896), (22, 953195360), (26, 806549920), (32, 655321810), (40, 524257448), (44, 476597680), (52, 403274960), (55, 381278144), (64, 327660905), (65, 322619968), (80, 262128724), (88, 238298840), (104, 201637480), (110, 190639072), (130, 161309984), (143, 146645440), (160, 131064362), (176, 119149420), (208, 100818740), (220, 95319536), (260, 80654992), (286, 73322720), (320, 65532181), (352, 59574710), (416, 50409370), (440, 47659768), (487, 43060160), (520, 40327496), (572, 36661360), (704, 29787355), (715, 29329088), (832, 25204685), (880, 23829884), (941, 22285120), (974, 21530080), (1040, 20163748), (1144, 18330680), (1430, 14664544), (1760, 11914942), (1882, 11142560), (1948, 10765040), (2080, 10081874), (2288, 9165340), (2435, 8612032), (2860, 7332272), (3520, 5957471), (3764, 5571280), (3896, 5382520), (4160, 5040937), (4576, 4582670), (4705, 4457024), (4870, 4306016), (5357, 3914560), (5720, 3666136), (6331, 3312320), (7528, 2785640), (7792, 2691260), (9152, 2291335), (9410, 2228512), (9740, 2153008), (10351, 2025920), (10714, 1957280), (11440, 1833068), (12233, 1714240), (12662, 1656160), (15056, 1392820), (15584, 1345630), (18820, 1114256), (19480, 1076504), (20702, 1012960), (21428, 978640), (22880, 916534), (24466, 857120), (25324, 828080), (26785, 782912), (30112, 696410), (31168, 672815), (31655, 662464), (37640, 557128), (38960, 538252), (41404, 506480), (42856, 489320), (45760, 458267), (48932, 428560), (50648, 414040), (51755, 405184), (53570, 391456), (60224, 348205), (61165, 342848), (63310, 331232), (69641, 301120), (75280, 278564), (77920, 269126), (82808, 253240), (85712, 244660), (97864, 214280), (101296, 207020), (103510, 202592), (107140, 195728), (122330, 171424), (126620, 165616), (134563, 155840), (139282, 150560)]