20497563

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44657}}^1$

素因数の和:44683

約数の個数: 16

約数和(自身を含む): 32153760

約数和(自身を除く): 11656197

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44657, 133971, 401913, 759169, 1205739, 2277507, 6832521, 20497563]

約数ペア:

[(1, 20497563), (3, 6832521), (9, 2277507), (17, 1205739), (27, 759169), (51, 401913), (153, 133971), (459, 44657)]