20463549568

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{29243}}^1$

素因数の和:29346

約数の個数: 128

約数和(自身を含む): 51544304640

約数和(自身を除く): 31080755072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 71, 77, 88, 112, 128, 142, 154, 176, 224, 284, 308, 352, 448, 497, 568, 616, 704, 781, 896, 994, 1136, 1232, 1408, 1562, 1988, 2272, 2464, 3124, 3976, 4544, 4928, 5467, 6248, 7952, 9088, 9856, 10934, 12496, 15904, 21868, 24992, 29243, 31808, 43736, 49984, 58486, 63616, 87472, 99968, 116972, 174944, 204701, 233944, 321673, 349888, 409402, 467888, 643346, 699776, 818804, 935776, 1286692, 1637608, 1871552, 2076253, 2251711, 2573384, 3275216, 3743104, 4152506, 4503422, 5146768, 6550432, 8305012, 9006844, 10293536, 13100864, 14533771, 16610024, 18013688, 20587072, 22838783, 26201728, 29067542, 33220048, 36027376, 41174144, 45677566, 58135084, 66440096, 72054752, 91355132, 116270168, 132880192, 144109504, 159871481, 182710264, 232540336, 265760384, 288219008, 319742962, 365420528, 465080672, 639485924, 730841056, 930161344, 1278971848, 1461682112, 1860322688, 2557943696, 2923364224, 5115887392, 10231774784, 20463549568]

約数ペア:

[(1, 20463549568), (2, 10231774784), (4, 5115887392), (7, 2923364224), (8, 2557943696), (11, 1860322688), (14, 1461682112), (16, 1278971848), (22, 930161344), (28, 730841056), (32, 639485924), (44, 465080672), (56, 365420528), (64, 319742962), (71, 288219008), (77, 265760384), (88, 232540336), (112, 182710264), (128, 159871481), (142, 144109504), (154, 132880192), (176, 116270168), (224, 91355132), (284, 72054752), (308, 66440096), (352, 58135084), (448, 45677566), (497, 41174144), (568, 36027376), (616, 33220048), (704, 29067542), (781, 26201728), (896, 22838783), (994, 20587072), (1136, 18013688), (1232, 16610024), (1408, 14533771), (1562, 13100864), (1988, 10293536), (2272, 9006844), (2464, 8305012), (3124, 6550432), (3976, 5146768), (4544, 4503422), (4928, 4152506), (5467, 3743104), (6248, 3275216), (7952, 2573384), (9088, 2251711), (9856, 2076253), (10934, 1871552), (12496, 1637608), (15904, 1286692), (21868, 935776), (24992, 818804), (29243, 699776), (31808, 643346), (43736, 467888), (49984, 409402), (58486, 349888), (63616, 321673), (87472, 233944), (99968, 204701), (116972, 174944)]