20439165

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{16417}}^1$

素因数の和:16508

約数の個数: 16

約数和(自身を含む): 33098688

約数和(自身を除く): 12659523

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 16417, 49251, 82085, 246255, 1362611, 4087833, 6813055, 20439165]

約数ペア:

[(1, 20439165), (3, 6813055), (5, 4087833), (15, 1362611), (83, 246255), (249, 82085), (415, 49251), (1245, 16417)]