20455880704

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1426889}}^1$

素因数の和:1426918

約数の個数: 48

約数和(自身を含む): 46744916400

約数和(自身を除く): 26289035696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2048, 3584, 7168, 14336, 1426889, 2853778, 5707556, 9988223, 11415112, 19976446, 22830224, 39952892, 45660448, 79905784, 91320896, 159811568, 182641792, 319623136, 365283584, 639246272, 730567168, 1278492544, 1461134336, 2556985088, 2922268672, 5113970176, 10227940352, 20455880704]

約数ペア:

[(1, 20455880704), (2, 10227940352), (4, 5113970176), (7, 2922268672), (8, 2556985088), (14, 1461134336), (16, 1278492544), (28, 730567168), (32, 639246272), (56, 365283584), (64, 319623136), (112, 182641792), (128, 159811568), (224, 91320896), (256, 79905784), (448, 45660448), (512, 39952892), (896, 22830224), (1024, 19976446), (1792, 11415112), (2048, 9988223), (3584, 5707556), (7168, 2853778), (14336, 1426889)]