20197079

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2689}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 24532800

約数和(自身を除く): 4335721

約数列:

[1, 7, 29, 37, 203, 259, 1073, 2689, 7511, 18823, 77981, 99493, 545867, 696451, 2885297, 20197079]

約数ペア:

[(1, 20197079), (7, 2885297), (29, 696451), (37, 545867), (203, 99493), (259, 77981), (1073, 18823), (2689, 7511)]