20825085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81667}}^1$

素因数の和:81692

約数の個数: 16

約数和(自身を含む): 35280576

約数和(自身を除く): 14455491

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 81667, 245001, 408335, 1225005, 1388339, 4165017, 6941695, 20825085]

約数ペア:

[(1, 20825085), (3, 6941695), (5, 4165017), (15, 1388339), (17, 1225005), (51, 408335), (85, 245001), (255, 81667)]