20943329

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:416

約数の個数: 16

約数和(自身を含む): 23464896

約数和(自身を除く): 2521567

約数列:

[1, 11, 67, 157, 181, 737, 1727, 1991, 10519, 12127, 28417, 115709, 133397, 312587, 1903939, 20943329]

約数ペア:

[(1, 20943329), (11, 1903939), (67, 312587), (157, 133397), (181, 115709), (737, 28417), (1727, 12127), (1991, 10519)]