20816535

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{29527}}^1$

素因数の和:29582

約数の個数: 16

約数和(自身を含む): 34016256

約数和(自身を除く): 13199721

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 29527, 88581, 147635, 442905, 1387769, 4163307, 6938845, 20816535]

約数ペア:

[(1, 20816535), (3, 6938845), (5, 4163307), (15, 1387769), (47, 442905), (141, 147635), (235, 88581), (705, 29527)]