20089155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{78781}}^1$

素因数の和:78806

約数の個数: 16

約数和(自身を含む): 34033824

約数和(自身を除く): 13944669

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 78781, 236343, 393905, 1181715, 1339277, 4017831, 6696385, 20089155]

約数ペア:

[(1, 20089155), (3, 6696385), (5, 4017831), (15, 1339277), (17, 1181715), (51, 393905), (85, 236343), (255, 78781)]