20515977

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{33037}}^1$

素因数の和:33069

約数の個数: 16

約数和(自身を含む): 31716480

約数和(自身を除く): 11200503

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 33037, 99111, 297333, 759851, 891999, 2279553, 6838659, 20515977]

約数ペア:

[(1, 20515977), (3, 6838659), (9, 2279553), (23, 891999), (27, 759851), (69, 297333), (207, 99111), (621, 33037)]