20320278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{617}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 44496000

約数和(自身を除く): 24175722

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 499, 617, 998, 1234, 1497, 1851, 2994, 3702, 5489, 6787, 10978, 13574, 16467, 20361, 32934, 40722, 307883, 615766, 923649, 1847298, 3386713, 6773426, 10160139, 20320278]

約数ペア:

[(1, 20320278), (2, 10160139), (3, 6773426), (6, 3386713), (11, 1847298), (22, 923649), (33, 615766), (66, 307883), (499, 40722), (617, 32934), (998, 20361), (1234, 16467), (1497, 13574), (1851, 10978), (2994, 6787), (3702, 5489)]