20887563

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 28491776

約数和(自身を除く): 7604213

約数列:

[1, 3, 73, 127, 219, 381, 751, 2253, 9271, 27813, 54823, 95377, 164469, 286131, 6962521, 20887563]

約数ペア:

[(1, 20887563), (3, 6962521), (73, 286131), (127, 164469), (219, 95377), (381, 54823), (751, 27813), (2253, 9271)]