20080145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{701}}^1$

素因数の和:1060

約数の個数: 16

約数和(自身を含む): 25625808

約数和(自身を除く): 5545663

約数列:

[1, 5, 17, 85, 337, 701, 1685, 3505, 5729, 11917, 28645, 59585, 236237, 1181185, 4016029, 20080145]

約数ペア:

[(1, 20080145), (5, 4016029), (17, 1181185), (85, 236237), (337, 59585), (701, 28645), (1685, 11917), (3505, 5729)]