20193165

素因数分解:

$3^3\times 5^1\times {\mathrm{149579}}^1$

素因数の和:149593

約数の個数: 16

約数和(自身を含む): 35899200

約数和(自身を除く): 15706035

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149579, 448737, 747895, 1346211, 2243685, 4038633, 6731055, 20193165]

約数ペア:

[(1, 20193165), (3, 6731055), (5, 4038633), (9, 2243685), (15, 1346211), (27, 747895), (45, 448737), (135, 149579)]