20741110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1549}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 40622400

約数和(自身を除く): 19881290

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1549, 2678, 3098, 6695, 7745, 13390, 15490, 20137, 40274, 100685, 159547, 201370, 319094, 797735, 1595470, 2074111, 4148222, 10370555, 20741110]

約数ペア:

[(1, 20741110), (2, 10370555), (5, 4148222), (10, 2074111), (13, 1595470), (26, 797735), (65, 319094), (103, 201370), (130, 159547), (206, 100685), (515, 40274), (1030, 20137), (1339, 15490), (1549, 13390), (2678, 7745), (3098, 6695)]