20881736

素因数分解:

$2^3\times {\mathrm{1489}}^1\times {\mathrm{1753}}^1$

素因数の和:3248

約数の個数: 16

約数和(自身を含む): 39201900

約数和(自身を除く): 18320164

約数列:

[1, 2, 4, 8, 1489, 1753, 2978, 3506, 5956, 7012, 11912, 14024, 2610217, 5220434, 10440868, 20881736]

約数ペア:

[(1, 20881736), (2, 10440868), (4, 5220434), (8, 2610217), (1489, 14024), (1753, 11912), (2978, 7012), (3506, 5956)]