20020091

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11579}}^1$

素因数の和:11618

約数の個数: 16

約数和(自身を含む): 25939200

約数和(自身を除く): 5919109

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11579, 81053, 150527, 220001, 1053689, 1540007, 2860013, 20020091]

約数ペア:

[(1, 20020091), (7, 2860013), (13, 1540007), (19, 1053689), (91, 220001), (133, 150527), (247, 81053), (1729, 11579)]