208047020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{611903}}^1$

素因数の和:611929

約数の個数: 24

約数和(自身を含む): 462599424

約数和(自身を除く): 254552404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 611903, 1223806, 2447612, 3059515, 6119030, 10402351, 12238060, 20804702, 41609404, 52011755, 104023510, 208047020]

約数ペア:

[(1, 208047020), (2, 104023510), (4, 52011755), (5, 41609404), (10, 20804702), (17, 12238060), (20, 10402351), (34, 6119030), (68, 3059515), (85, 2447612), (170, 1223806), (340, 611903)]