20487564

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{5867}}^1$

素因数の和:5974

約数の個数: 36

約数和(自身を含む): 52330824

約数和(自身を除く): 31843260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 5867, 11734, 17601, 23468, 35202, 52803, 70404, 105606, 211212, 569099, 1138198, 1707297, 2276396, 3414594, 5121891, 6829188, 10243782, 20487564]

約数ペア:

[(1, 20487564), (2, 10243782), (3, 6829188), (4, 5121891), (6, 3414594), (9, 2276396), (12, 1707297), (18, 1138198), (36, 569099), (97, 211212), (194, 105606), (291, 70404), (388, 52803), (582, 35202), (873, 23468), (1164, 17601), (1746, 11734), (3492, 5867)]