20478857344

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{23497}}^1$

素因数の和:24141

約数の個数: 64

約数和(自身を含む): 44580405600

約数和(自身を除く): 24101548256

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 619, 704, 1238, 1408, 2476, 4952, 6809, 9904, 13618, 19808, 23497, 27236, 39616, 46994, 54472, 79232, 93988, 108944, 187976, 217888, 258467, 375952, 435776, 516934, 751904, 871552, 1033868, 1503808, 2067736, 3007616, 4135472, 8270944, 14544643, 16541888, 29089286, 33083776, 58178572, 116357144, 159991073, 232714288, 319982146, 465428576, 639964292, 930857152, 1279928584, 1861714304, 2559857168, 5119714336, 10239428672, 20478857344]

約数ペア:

[(1, 20478857344), (2, 10239428672), (4, 5119714336), (8, 2559857168), (11, 1861714304), (16, 1279928584), (22, 930857152), (32, 639964292), (44, 465428576), (64, 319982146), (88, 232714288), (128, 159991073), (176, 116357144), (352, 58178572), (619, 33083776), (704, 29089286), (1238, 16541888), (1408, 14544643), (2476, 8270944), (4952, 4135472), (6809, 3007616), (9904, 2067736), (13618, 1503808), (19808, 1033868), (23497, 871552), (27236, 751904), (39616, 516934), (46994, 435776), (54472, 375952), (79232, 258467), (93988, 217888), (108944, 187976)]