20968843

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:466

約数の個数: 16

約数和(自身を含む): 24494080

約数和(自身を除く): 3525237

約数列:

[1, 7, 103, 127, 229, 721, 889, 1603, 13081, 23587, 29083, 91567, 165109, 203581, 2995549, 20968843]

約数ペア:

[(1, 20968843), (7, 2995549), (103, 203581), (127, 165109), (229, 91567), (721, 29083), (889, 23587), (1603, 13081)]