20980095

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29759}}^1$

素因数の和:29814

約数の個数: 16

約数和(自身を含む): 34283520

約数和(自身を除く): 13303425

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29759, 89277, 148795, 446385, 1398673, 4196019, 6993365, 20980095]

約数ペア:

[(1, 20980095), (3, 6993365), (5, 4196019), (15, 1398673), (47, 446385), (141, 148795), (235, 89277), (705, 29759)]