20020797

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4723}}^1$

素因数の和:4889

約数の個数: 16

約数和(自身を含む): 29855680

約数和(自身を除く): 9834883

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4723, 14169, 42507, 127521, 741511, 2224533, 6673599, 20020797]

約数ペア:

[(1, 20020797), (3, 6673599), (9, 2224533), (27, 741511), (157, 127521), (471, 42507), (1413, 14169), (4239, 4723)]