20090365

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:492

約数の個数: 16

約数和(自身を含む): 24575040

約数和(自身を除く): 4484675

約数列:

[1, 5, 137, 139, 211, 685, 695, 1055, 19043, 28907, 29329, 95215, 144535, 146645, 4018073, 20090365]

約数ペア:

[(1, 20090365), (5, 4018073), (137, 146645), (139, 144535), (211, 95215), (685, 29329), (695, 28907), (1055, 19043)]