20536033280

素因数分解:

$2^{16}\times 5^1\times 7^2\times {\mathrm{1279}}^1$

素因数の和:1330

約数の個数: 204

約数和(自身を含む): 57377640960

約数和(自身を除く): 36841607680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1024, 1120, 1279, 1280, 1568, 1792, 1960, 2048, 2240, 2558, 2560, 3136, 3584, 3920, 4096, 4480, 5116, 5120, 6272, 6395, 7168, 7840, 8192, 8953, 8960, 10232, 10240, 12544, 12790, 14336, 15680, 16384, 17906, 17920, 20464, 20480, 25088, 25580, 28672, 31360, 32768, 35812, 35840, 40928, 40960, 44765, 50176, 51160, 57344, 62671, 62720, 65536, 71624, 71680, 81856, 81920, 89530, 100352, 102320, 114688, 125342, 125440, 143248, 143360, 163712, 163840, 179060, 200704, 204640, 229376, 250684, 250880, 286496, 286720, 313355, 327424, 327680, 358120, 401408, 409280, 458752, 501368, 501760, 572992, 573440, 626710, 654848, 716240, 802816, 818560, 1002736, 1003520, 1145984, 1146880, 1253420, 1309696, 1432480, 1605632, 1637120, 2005472, 2007040, 2291968, 2293760, 2506840, 2619392, 2864960, 3211264, 3274240, 4010944, 4014080, 4583936, 5013680, 5238784, 5729920, 6548480, 8021888, 8028160, 9167872, 10027360, 10477568, 11459840, 13096960, 16043776, 16056320, 18335744, 20054720, 20955136, 22919680, 26193920, 32087552, 36671488, 40109440, 41910272, 45839360, 52387840, 64175104, 73342976, 80218880, 83820544, 91678720, 104775680, 128350208, 146685952, 160437760, 183357440, 209551360, 256700416, 293371904, 320875520, 366714880, 419102720, 513400832, 586743808, 641751040, 733429760, 1026801664, 1283502080, 1466859520, 2053603328, 2567004160, 2933719040, 4107206656, 5134008320, 10268016640, 20536033280]

約数ペア:

[(1, 20536033280), (2, 10268016640), (4, 5134008320), (5, 4107206656), (7, 2933719040), (8, 2567004160), (10, 2053603328), (14, 1466859520), (16, 1283502080), (20, 1026801664), (28, 733429760), (32, 641751040), (35, 586743808), (40, 513400832), (49, 419102720), (56, 366714880), (64, 320875520), (70, 293371904), (80, 256700416), (98, 209551360), (112, 183357440), (128, 160437760), (140, 146685952), (160, 128350208), (196, 104775680), (224, 91678720), (245, 83820544), (256, 80218880), (280, 73342976), (320, 64175104), (392, 52387840), (448, 45839360), (490, 41910272), (512, 40109440), (560, 36671488), (640, 32087552), (784, 26193920), (896, 22919680), (980, 20955136), (1024, 20054720), (1120, 18335744), (1279, 16056320), (1280, 16043776), (1568, 13096960), (1792, 11459840), (1960, 10477568), (2048, 10027360), (2240, 9167872), (2558, 8028160), (2560, 8021888), (3136, 6548480), (3584, 5729920), (3920, 5238784), (4096, 5013680), (4480, 4583936), (5116, 4014080), (5120, 4010944), (6272, 3274240), (6395, 3211264), (7168, 2864960), (7840, 2619392), (8192, 2506840), (8953, 2293760), (8960, 2291968), (10232, 2007040), (10240, 2005472), (12544, 1637120), (12790, 1605632), (14336, 1432480), (15680, 1309696), (16384, 1253420), (17906, 1146880), (17920, 1145984), (20464, 1003520), (20480, 1002736), (25088, 818560), (25580, 802816), (28672, 716240), (31360, 654848), (32768, 626710), (35812, 573440), (35840, 572992), (40928, 501760), (40960, 501368), (44765, 458752), (50176, 409280), (51160, 401408), (57344, 358120), (62671, 327680), (62720, 327424), (65536, 313355), (71624, 286720), (71680, 286496), (81856, 250880), (81920, 250684), (89530, 229376), (100352, 204640), (102320, 200704), (114688, 179060), (125342, 163840), (125440, 163712), (143248, 143360)]