20339145

素因数分解:

$3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1259}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15041655

約数列:

[1, 3, 5, 9, 15, 45, 359, 1077, 1259, 1795, 3231, 3777, 5385, 6295, 11331, 16155, 18885, 56655, 451981, 1355943, 2259905, 4067829, 6779715, 20339145]

約数ペア:

[(1, 20339145), (3, 6779715), (5, 4067829), (9, 2259905), (15, 1355943), (45, 451981), (359, 56655), (1077, 18885), (1259, 16155), (1795, 11331), (3231, 6295), (3777, 5385)]