20562808

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2803}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 44415360

約数和(自身を除く): 23852552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2803, 3668, 5606, 7336, 11212, 19621, 22424, 39242, 78484, 156968, 367193, 734386, 1468772, 2570351, 2937544, 5140702, 10281404, 20562808]

約数ペア:

[(1, 20562808), (2, 10281404), (4, 5140702), (7, 2937544), (8, 2570351), (14, 1468772), (28, 734386), (56, 367193), (131, 156968), (262, 78484), (524, 39242), (917, 22424), (1048, 19621), (1834, 11212), (2803, 7336), (3668, 5606)]