20783871

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4349}}^1$

素因数の和:4420

約数の個数: 20

約数和(自身を含む): 31581000

約数和(自身を除く): 10797129

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4349, 4779, 13047, 39141, 117423, 256591, 352269, 769773, 2309319, 6927957, 20783871]

約数ペア:

[(1, 20783871), (3, 6927957), (9, 2309319), (27, 769773), (59, 352269), (81, 256591), (177, 117423), (531, 39141), (1593, 13047), (4349, 4779)]