20562605

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4937}}^1$

素因数の和:4973

約数の個数: 24

約数和(自身を含む): 30398328

約数和(自身を除く): 9835723

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 4937, 24685, 34559, 83929, 172795, 241913, 419645, 587503, 1209565, 2937515, 4112521, 20562605]

約数ペア:

[(1, 20562605), (5, 4112521), (7, 2937515), (17, 1209565), (35, 587503), (49, 419645), (85, 241913), (119, 172795), (245, 83929), (595, 34559), (833, 24685), (4165, 4937)]