206547020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{102251}}^1$

素因数の和:102361

約数の個数: 24

約数和(自身を含む): 438047568

約数和(自身を除く): 231500548

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 102251, 204502, 409004, 511255, 1022510, 2045020, 10327351, 20654702, 41309404, 51636755, 103273510, 206547020]

約数ペア:

[(1, 206547020), (2, 103273510), (4, 51636755), (5, 41309404), (10, 20654702), (20, 10327351), (101, 2045020), (202, 1022510), (404, 511255), (505, 409004), (1010, 204502), (2020, 102251)]