20669877

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{10487}}^1$

素因数の和:10569

約数の個数: 16

約数和(自身を含む): 31044480

約数和(自身を除く): 10374603

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 10487, 31461, 94383, 283149, 765551, 2296653, 6889959, 20669877]

約数ペア:

[(1, 20669877), (3, 6889959), (9, 2296653), (27, 765551), (73, 283149), (219, 94383), (657, 31461), (1971, 10487)]