20339247

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{761}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 27797760

約数和(自身を除く): 7458513

約数列:

[1, 3, 59, 151, 177, 453, 761, 2283, 8909, 26727, 44899, 114911, 134697, 344733, 6779749, 20339247]

約数ペア:

[(1, 20339247), (3, 6779749), (59, 344733), (151, 134697), (177, 114911), (453, 44899), (761, 26727), (2283, 8909)]