20881976

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{113489}}^1$

素因数の和:113518

約数の個数: 16

約数和(自身を含む): 40856400

約数和(自身を除く): 19974424

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 113489, 226978, 453956, 907912, 2610247, 5220494, 10440988, 20881976]

約数ペア:

[(1, 20881976), (2, 10440988), (4, 5220494), (8, 2610247), (23, 907912), (46, 453956), (92, 226978), (184, 113489)]