Two integers and are
cannot have just one distinct prime factor, and if it has precisely two prime factors, then and is Even. Small multiamicable numbers for small are given by Cohen et al. (1995). Several of these numbers are reproduced in the below table.
See also Amicable Pair, Divisor Function
Cohen, G. L; Gretton, S.; and Hagis, P. Jr. ``Multiamicable Numbers.'' Math. Comput. 64, 1743-1753, 1995.