20696588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10939}}^1$

素因数の和:10997

約数の個数: 24

約数和(自身を含む): 40434240

約数和(自身を除く): 19737652

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10939, 21878, 43756, 120329, 240658, 470377, 481316, 940754, 1881508, 5174147, 10348294, 20696588]

約数ペア:

[(1, 20696588), (2, 10348294), (4, 5174147), (11, 1881508), (22, 940754), (43, 481316), (44, 470377), (86, 240658), (172, 120329), (473, 43756), (946, 21878), (1892, 10939)]