27020396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{39971}}^1$

素因数の和:40001

約数の個数: 18

約数和(自身を含む): 51204132

約数和(自身を除く): 24183736

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 39971, 79942, 159884, 519623, 1039246, 2078492, 6755099, 13510198, 27020396]

約数ペア:

[(1, 27020396), (2, 13510198), (4, 6755099), (13, 2078492), (26, 1039246), (52, 519623), (169, 159884), (338, 79942), (676, 39971)]