20803335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{198127}}^1$

素因数の和:198142

約数の個数: 16

約数和(自身を含む): 38040576

約数和(自身を除く): 17237241

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 198127, 594381, 990635, 1386889, 2971905, 4160667, 6934445, 20803335]

約数ペア:

[(1, 20803335), (3, 6934445), (5, 4160667), (7, 2971905), (15, 1386889), (21, 990635), (35, 594381), (105, 198127)]