20168994638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{4940959}}^1$

素因数の和:4941131

約数の個数: 16

約数和(自身を含む): 32788210560

約数和(自身を除く): 12619215922

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 4940959, 9881918, 64232467, 128464934, 775730563, 1551461126, 10084497319, 20168994638]

約数ペア:

[(1, 20168994638), (2, 10084497319), (13, 1551461126), (26, 775730563), (157, 128464934), (314, 64232467), (2041, 9881918), (4082, 4940959)]