20905938

素因数分解:

$2^1\times 3^4\times {\mathrm{129049}}^1$

素因数の和:129063

約数の個数: 20

約数和(自身を含む): 46845150

約数和(自身を除く): 25939212

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 129049, 258098, 387147, 774294, 1161441, 2322882, 3484323, 6968646, 10452969, 20905938]

約数ペア:

[(1, 20905938), (2, 10452969), (3, 6968646), (6, 3484323), (9, 2322882), (18, 1161441), (27, 774294), (54, 387147), (81, 258098), (162, 129049)]