20306913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3557}}^1$

素因数の和:3744

約数の個数: 16

約数和(自身を含む): 29716416

約数和(自身を除く): 9409503

約数列:

[1, 3, 11, 33, 173, 519, 1903, 3557, 5709, 10671, 39127, 117381, 615361, 1846083, 6768971, 20306913]

約数ペア:

[(1, 20306913), (3, 6768971), (11, 1846083), (33, 615361), (173, 117381), (519, 39127), (1903, 10671), (3557, 5709)]