20179148

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5153}}^1$

素因数の和:5257

約数の個数: 24

約数和(自身を含む): 38964240

約数和(自身を除く): 18785092

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5153, 10306, 20612, 56683, 113366, 226732, 458617, 917234, 1834468, 5044787, 10089574, 20179148]

約数ペア:

[(1, 20179148), (2, 10089574), (4, 5044787), (11, 1834468), (22, 917234), (44, 458617), (89, 226732), (178, 113366), (356, 56683), (979, 20612), (1958, 10306), (3916, 5153)]