20942589

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{8737}}^1$

素因数の和:8804

約数の個数: 16

約数和(自身を含む): 30198528

約数和(自身を除く): 9255939

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 8737, 26211, 148529, 410639, 445587, 1231917, 6980863, 20942589]

約数ペア:

[(1, 20942589), (3, 6980863), (17, 1231917), (47, 445587), (51, 410639), (141, 148529), (799, 26211), (2397, 8737)]