20164322721

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{409769}}^1$

素因数の和:410168

約数の個数: 16

約数和(自身を含む): 27536544000

約数和(自身を除く): 7372221279

約数列:

[1, 3, 47, 141, 349, 1047, 16403, 49209, 409769, 1229307, 19259143, 57777429, 143009381, 429028143, 6721440907, 20164322721]

約数ペア:

[(1, 20164322721), (3, 6721440907), (47, 429028143), (141, 143009381), (349, 57777429), (1047, 19259143), (16403, 1229307), (49209, 409769)]