20528912

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{1559}}^1$

素因数の和:2390

約数の個数: 20

約数和(自身を含む): 39848640

約数和(自身を除く): 19319728

約数列:

[1, 2, 4, 8, 16, 823, 1559, 1646, 3118, 3292, 6236, 6584, 12472, 13168, 24944, 1283057, 2566114, 5132228, 10264456, 20528912]

約数ペア:

[(1, 20528912), (2, 10264456), (4, 5132228), (8, 2566114), (16, 1283057), (823, 24944), (1559, 13168), (1646, 12472), (3118, 6584), (3292, 6236)]