20787442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17011}}^1$

素因数の和:17073

約数の個数: 16

約数和(自身を含む): 34296192

約数和(自身を除く): 13508750

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17011, 34022, 221143, 442286, 799517, 1599034, 10393721, 20787442]

約数ペア:

[(1, 20787442), (2, 10393721), (13, 1599034), (26, 799517), (47, 442286), (94, 221143), (611, 34022), (1222, 17011)]