20255415

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79433}}^1$

素因数の和:79458

約数の個数: 16

約数和(自身を含む): 34315488

約数和(自身を除く): 14060073

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 79433, 238299, 397165, 1191495, 1350361, 4051083, 6751805, 20255415]

約数ペア:

[(1, 20255415), (3, 6751805), (5, 4051083), (15, 1350361), (17, 1191495), (51, 397165), (85, 238299), (255, 79433)]