20864080460

素因数分解:

$2^2\times 5^1\times {\mathrm{1043204023}}^1$

素因数の和:1043204032

約数の個数: 12

約数和(自身を含む): 43814569008

約数和(自身を除く): 22950488548

約数列:

[1, 2, 4, 5, 10, 20, 1043204023, 2086408046, 4172816092, 5216020115, 10432040230, 20864080460]

約数ペア:

[(1, 20864080460), (2, 10432040230), (4, 5216020115), (5, 4172816092), (10, 2086408046), (20, 1043204023)]