20439729

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{44531}}^1$

素因数の和:44557

約数の個数: 16

約数和(自身を含む): 32063040

約数和(自身を除く): 11623311

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 44531, 133593, 400779, 757027, 1202337, 2271081, 6813243, 20439729]

約数ペア:

[(1, 20439729), (3, 6813243), (9, 2271081), (17, 1202337), (27, 757027), (51, 400779), (153, 133593), (459, 44531)]