20993283

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{45737}}^1$

素因数の和:45763

約数の個数: 16

約数和(自身を含む): 32931360

約数和(自身を除く): 11938077

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 45737, 137211, 411633, 777529, 1234899, 2332587, 6997761, 20993283]

約数ペア:

[(1, 20993283), (3, 6997761), (9, 2332587), (17, 1234899), (27, 777529), (51, 411633), (153, 137211), (459, 45737)]