20937387

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{2063}}^1$

素因数の和:2282

約数の個数: 16

約数和(自身を含む): 29721600

約数和(自身を除く): 8784213

約数列:

[1, 3, 17, 51, 199, 597, 2063, 3383, 6189, 10149, 35071, 105213, 410537, 1231611, 6979129, 20937387]

約数ペア:

[(1, 20937387), (3, 6979129), (17, 1231611), (51, 410537), (199, 105213), (597, 35071), (2063, 10149), (3383, 6189)]