20287688

素因数分解:

$2^3\times {\mathrm{461}}^1\times {\mathrm{5501}}^1$

素因数の和:5968

約数の個数: 16

約数和(自身を含む): 38128860

約数和(自身を除く): 17841172

約数列:

[1, 2, 4, 8, 461, 922, 1844, 3688, 5501, 11002, 22004, 44008, 2535961, 5071922, 10143844, 20287688]

約数ペア:

[(1, 20287688), (2, 10143844), (4, 5071922), (8, 2535961), (461, 44008), (922, 22004), (1844, 11002), (3688, 5501)]