20512521488

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7083053}}^1$

素因数の和:7083242

約数の個数: 20

約数和(自身を含む): 39962590668

約数和(自身を除く): 19450069180

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7083053, 14166106, 28332212, 56664424, 113328848, 1282032593, 2564065186, 5128130372, 10256260744, 20512521488]

約数ペア:

[(1, 20512521488), (2, 10256260744), (4, 5128130372), (8, 2564065186), (16, 1282032593), (181, 113328848), (362, 56664424), (724, 28332212), (1448, 14166106), (2896, 7083053)]