20104810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{947}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 39724992

約数和(自身を除く): 19620182

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 947, 965, 1894, 1930, 2123, 4246, 4735, 9470, 10417, 10615, 20834, 21230, 52085, 104170, 182771, 365542, 913855, 1827710, 2010481, 4020962, 10052405, 20104810]

約数ペア:

[(1, 20104810), (2, 10052405), (5, 4020962), (10, 2010481), (11, 1827710), (22, 913855), (55, 365542), (110, 182771), (193, 104170), (386, 52085), (947, 21230), (965, 20834), (1894, 10615), (1930, 10417), (2123, 9470), (4246, 4735)]