20493351

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{14321}}^1$

素因数の和:14383

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 10442169

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 14321, 42963, 128889, 386667, 759013, 2277039, 6831117, 20493351]

約数ペア:

[(1, 20493351), (3, 6831117), (9, 2277039), (27, 759013), (53, 386667), (159, 128889), (477, 42963), (1431, 14321)]