20445105

素因数分解:

$3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3253}}^1$

素因数の和:3680

約数の個数: 16

約数和(自身を含む): 32800320

約数和(自身を除く): 12355215

約数列:

[1, 3, 5, 15, 419, 1257, 2095, 3253, 6285, 9759, 16265, 48795, 1363007, 4089021, 6815035, 20445105]

約数ペア:

[(1, 20445105), (3, 6815035), (5, 4089021), (15, 1363007), (419, 48795), (1257, 16265), (2095, 9759), (3253, 6285)]