20257505280

素因数分解:

$2^{16}\times 3^2\times 5^1\times {\mathrm{6869}}^1$

素因数の和:6912

約数の個数: 204

約数和(自身を含む): 70235706060

約数和(自身を除く): 49978200780

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, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4096, 4608, 5120, 5760, 6144, 6869, 7680, 8192, 9216, 10240, 11520, 12288, 13738, 15360, 16384, 18432, 20480, 20607, 23040, 24576, 27476, 30720, 32768, 34345, 36864, 40960, 41214, 46080, 49152, 54952, 61440, 61821, 65536, 68690, 73728, 81920, 82428, 92160, 98304, 103035, 109904, 122880, 123642, 137380, 147456, 163840, 164856, 184320, 196608, 206070, 219808, 245760, 247284, 274760, 294912, 309105, 327680, 329712, 368640, 412140, 439616, 491520, 494568, 549520, 589824, 618210, 659424, 737280, 824280, 879232, 983040, 989136, 1099040, 1236420, 1318848, 1474560, 1648560, 1758464, 1978272, 2198080, 2472840, 2637696, 2949120, 3297120, 3516928, 3956544, 4396160, 4945680, 5275392, 6594240, 7033856, 7913088, 8792320, 9891360, 10550784, 13188480, 14067712, 15826176, 17584640, 19782720, 21101568, 26376960, 28135424, 31652352, 35169280, 39565440, 42203136, 52753920, 56270848, 63304704, 70338560, 79130880, 84406272, 105507840, 112541696, 126609408, 140677120, 158261760, 168812544, 211015680, 225083392, 253218816, 281354240, 316523520, 337625088, 422031360, 450166784, 506437632, 562708480, 633047040, 675250176, 844062720, 1012875264, 1125416960, 1266094080, 1350500352, 1688125440, 2025750528, 2250833920, 2532188160, 3376250880, 4051501056, 5064376320, 6752501760, 10128752640, 20257505280]

約数ペア:

[(1, 20257505280), (2, 10128752640), (3, 6752501760), (4, 5064376320), (5, 4051501056), (6, 3376250880), (8, 2532188160), (9, 2250833920), (10, 2025750528), (12, 1688125440), (15, 1350500352), (16, 1266094080), (18, 1125416960), (20, 1012875264), (24, 844062720), (30, 675250176), (32, 633047040), (36, 562708480), (40, 506437632), (45, 450166784), (48, 422031360), (60, 337625088), (64, 316523520), (72, 281354240), (80, 253218816), (90, 225083392), (96, 211015680), (120, 168812544), (128, 158261760), (144, 140677120), (160, 126609408), (180, 112541696), (192, 105507840), (240, 84406272), (256, 79130880), (288, 70338560), (320, 63304704), (360, 56270848), (384, 52753920), (480, 42203136), (512, 39565440), (576, 35169280), (640, 31652352), (720, 28135424), (768, 26376960), (960, 21101568), (1024, 19782720), (1152, 17584640), (1280, 15826176), (1440, 14067712), (1536, 13188480), (1920, 10550784), (2048, 9891360), (2304, 8792320), (2560, 7913088), (2880, 7033856), (3072, 6594240), (3840, 5275392), (4096, 4945680), (4608, 4396160), (5120, 3956544), (5760, 3516928), (6144, 3297120), (6869, 2949120), (7680, 2637696), (8192, 2472840), (9216, 2198080), (10240, 1978272), (11520, 1758464), (12288, 1648560), (13738, 1474560), (15360, 1318848), (16384, 1236420), (18432, 1099040), (20480, 989136), (20607, 983040), (23040, 879232), (24576, 824280), (27476, 737280), (30720, 659424), (32768, 618210), (34345, 589824), (36864, 549520), (40960, 494568), (41214, 491520), (46080, 439616), (49152, 412140), (54952, 368640), (61440, 329712), (61821, 327680), (65536, 309105), (68690, 294912), (73728, 274760), (81920, 247284), (82428, 245760), (92160, 219808), (98304, 206070), (103035, 196608), (109904, 184320), (122880, 164856), (123642, 163840), (137380, 147456)]