208028020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{358669}}^1$

素因数の和:358707

約数の個数: 24

約数和(自身を含む): 451924200

約数和(自身を除く): 243896180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 358669, 717338, 1434676, 1793345, 3586690, 7173380, 10401401, 20802802, 41605604, 52007005, 104014010, 208028020]

約数ペア:

[(1, 208028020), (2, 104014010), (4, 52007005), (5, 41605604), (10, 20802802), (20, 10401401), (29, 7173380), (58, 3586690), (116, 1793345), (145, 1434676), (290, 717338), (580, 358669)]