20801710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122363}}^1$

素因数の和:122387

約数の個数: 16

約数和(自身を含む): 39645936

約数和(自身を除く): 18844226

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122363, 244726, 611815, 1223630, 2080171, 4160342, 10400855, 20801710]

約数ペア:

[(1, 20801710), (2, 10400855), (5, 4160342), (10, 2080171), (17, 1223630), (34, 611815), (85, 244726), (170, 122363)]