20717231810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{975847}}^1$

素因数の和:976058

約数の個数: 32

約数和(自身を含む): 40891934592

約数和(自身を除く): 20174702782

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615, 21230, 975847, 1951694, 4879235, 9758470, 10734317, 21468634, 53671585, 107343170, 188338471, 376676942, 941692355, 1883384710, 2071723181, 4143446362, 10358615905, 20717231810]

約数ペア:

[(1, 20717231810), (2, 10358615905), (5, 4143446362), (10, 2071723181), (11, 1883384710), (22, 941692355), (55, 376676942), (110, 188338471), (193, 107343170), (386, 53671585), (965, 21468634), (1930, 10734317), (2123, 9758470), (4246, 4879235), (10615, 1951694), (21230, 975847)]