20297906

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:937

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 10764622

約数列:

[1, 2, 71, 142, 223, 446, 641, 1282, 15833, 31666, 45511, 91022, 142943, 285886, 10148953, 20297906]

約数ペア:

[(1, 20297906), (2, 10148953), (71, 285886), (142, 142943), (223, 91022), (446, 45511), (641, 31666), (1282, 15833)]