20205909351

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{14673863}}^1$

素因数の和:14673892

約数の個数: 20

約数和(自身を含む): 31959675792

約数和(自身を除く): 11753766441

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 14673863, 44021589, 132064767, 249455671, 396194301, 748367013, 1188582903, 2245101039, 6735303117, 20205909351]

約数ペア:

[(1, 20205909351), (3, 6735303117), (9, 2245101039), (17, 1188582903), (27, 748367013), (51, 396194301), (81, 249455671), (153, 132064767), (459, 44021589), (1377, 14673863)]