20692804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10937}}^1$

素因数の和:10995

約数の個数: 24

約数和(自身を含む): 40426848

約数和(自身を除く): 19734044

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10937, 21874, 43748, 120307, 240614, 470291, 481228, 940582, 1881164, 5173201, 10346402, 20692804]

約数ペア:

[(1, 20692804), (2, 10346402), (4, 5173201), (11, 1881164), (22, 940582), (43, 481228), (44, 470291), (86, 240614), (172, 120307), (473, 43748), (946, 21874), (1892, 10937)]