20512690688

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{336671}}^1$

素因数の和:336713

約数の個数: 80

約数和(自身を含む): 49595825664

約数和(自身を除く): 29083134976

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1088, 1792, 1904, 2176, 3584, 3808, 4352, 7616, 8704, 15232, 30464, 60928, 336671, 673342, 1346684, 2356697, 2693368, 4713394, 5386736, 5723407, 9426788, 10773472, 11446814, 18853576, 21546944, 22893628, 37707152, 40063849, 43093888, 45787256, 75414304, 80127698, 86187776, 91574512, 150828608, 160255396, 172375552, 183149024, 301657216, 320510792, 366298048, 603314432, 641021584, 732596096, 1206628864, 1282043168, 1465192192, 2564086336, 2930384384, 5128172672, 10256345344, 20512690688]

約数ペア:

[(1, 20512690688), (2, 10256345344), (4, 5128172672), (7, 2930384384), (8, 2564086336), (14, 1465192192), (16, 1282043168), (17, 1206628864), (28, 732596096), (32, 641021584), (34, 603314432), (56, 366298048), (64, 320510792), (68, 301657216), (112, 183149024), (119, 172375552), (128, 160255396), (136, 150828608), (224, 91574512), (238, 86187776), (256, 80127698), (272, 75414304), (448, 45787256), (476, 43093888), (512, 40063849), (544, 37707152), (896, 22893628), (952, 21546944), (1088, 18853576), (1792, 11446814), (1904, 10773472), (2176, 9426788), (3584, 5723407), (3808, 5386736), (4352, 4713394), (7616, 2693368), (8704, 2356697), (15232, 1346684), (30464, 673342), (60928, 336671)]