20868165

素因数分解:

$3^3\times 5^1\times {\mathrm{154579}}^1$

素因数の和:154593

約数の個数: 16

約数和(自身を含む): 37099200

約数和(自身を除く): 16231035

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 154579, 463737, 772895, 1391211, 2318685, 4173633, 6956055, 20868165]

約数ペア:

[(1, 20868165), (3, 6956055), (5, 4173633), (9, 2318685), (15, 1391211), (27, 772895), (45, 463737), (135, 154579)]