20718397952

素因数分解:

$2^9\times 7^2\times {\mathrm{825829}}^1$

素因数の和:825861

約数の個数: 60

約数和(自身を含む): 48154973130

約数和(自身を除く): 27436575178

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 6272, 12544, 25088, 825829, 1651658, 3303316, 5780803, 6606632, 11561606, 13213264, 23123212, 26426528, 40465621, 46246424, 52853056, 80931242, 92492848, 105706112, 161862484, 184985696, 211412224, 323724968, 369971392, 422824448, 647449936, 739942784, 1294899872, 1479885568, 2589799744, 2959771136, 5179599488, 10359198976, 20718397952]

約数ペア:

[(1, 20718397952), (2, 10359198976), (4, 5179599488), (7, 2959771136), (8, 2589799744), (14, 1479885568), (16, 1294899872), (28, 739942784), (32, 647449936), (49, 422824448), (56, 369971392), (64, 323724968), (98, 211412224), (112, 184985696), (128, 161862484), (196, 105706112), (224, 92492848), (256, 80931242), (392, 52853056), (448, 46246424), (512, 40465621), (784, 26426528), (896, 23123212), (1568, 13213264), (1792, 11561606), (3136, 6606632), (3584, 5780803), (6272, 3303316), (12544, 1651658), (25088, 825829)]