20139465

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{8237}}^1$

素因数の和:8408

約数の個数: 16

約数和(自身を含む): 32424768

約数和(自身を除く): 12285303

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 8237, 24711, 41185, 123555, 1342631, 4027893, 6713155, 20139465]

約数ペア:

[(1, 20139465), (3, 6713155), (5, 4027893), (15, 1342631), (163, 123555), (489, 41185), (815, 24711), (2445, 8237)]