20564852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1$

素因数の和:2948

約数の個数: 48

約数和(自身を含む): 46835712

約数和(自身を除く): 26270860

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2903, 3542, 5806, 7084, 11612, 20321, 31933, 40642, 63866, 66769, 81284, 127732, 133538, 223531, 267076, 447062, 467383, 734459, 894124, 934766, 1468918, 1869532, 2937836, 5141213, 10282426, 20564852]

約数ペア:

[(1, 20564852), (2, 10282426), (4, 5141213), (7, 2937836), (11, 1869532), (14, 1468918), (22, 934766), (23, 894124), (28, 734459), (44, 467383), (46, 447062), (77, 267076), (92, 223531), (154, 133538), (161, 127732), (253, 81284), (308, 66769), (322, 63866), (506, 40642), (644, 31933), (1012, 20321), (1771, 11612), (2903, 7084), (3542, 5806)]