20168649

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{4127}}^1$

素因数の和:4317

約数の個数: 16

約数和(自身を含む): 30051840

約数和(自身を除く): 9883191

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4127, 4887, 12381, 37143, 111429, 746987, 2240961, 6722883, 20168649]

約数ペア:

[(1, 20168649), (3, 6722883), (9, 2240961), (27, 746987), (181, 111429), (543, 37143), (1629, 12381), (4127, 4887)]