19857020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58403}}^1$

素因数の和:58429

約数の個数: 24

約数和(自身を含む): 44153424

約数和(自身を除く): 24296404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 58403, 116806, 233612, 292015, 584030, 992851, 1168060, 1985702, 3971404, 4964255, 9928510, 19857020]

約数ペア:

[(1, 19857020), (2, 9928510), (4, 4964255), (5, 3971404), (10, 1985702), (17, 1168060), (20, 992851), (34, 584030), (68, 292015), (85, 233612), (170, 116806), (340, 58403)]