20283831

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{17471}}^1$

素因数の和:17523

約数の個数: 16

約数和(自身を含む): 30750720

約数和(自身を除く): 10466889

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 17471, 52413, 157239, 471717, 751253, 2253759, 6761277, 20283831]

約数ペア:

[(1, 20283831), (3, 6761277), (9, 2253759), (27, 751253), (43, 471717), (129, 157239), (387, 52413), (1161, 17471)]