20794671

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17911}}^1$

素因数の和:17963

約数の個数: 16

約数和(自身を含む): 31525120

約数和(自身を除く): 10730449

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17911, 53733, 161199, 483597, 770173, 2310519, 6931557, 20794671]

約数ペア:

[(1, 20794671), (3, 6931557), (9, 2310519), (27, 770173), (43, 483597), (129, 161199), (387, 53733), (1161, 17911)]