20571543

素因数分解:

$3^3\times {\mathrm{739}}^1\times {\mathrm{1031}}^1$

素因数の和:1779

約数の個数: 16

約数和(自身を含む): 30547200

約数和(自身を除く): 9975657

約数列:

[1, 3, 9, 27, 739, 1031, 2217, 3093, 6651, 9279, 19953, 27837, 761909, 2285727, 6857181, 20571543]

約数ペア:

[(1, 20571543), (3, 6857181), (9, 2285727), (27, 761909), (739, 27837), (1031, 19953), (2217, 9279), (3093, 6651)]