20785721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2833}}^1$

素因数の和:2896

約数の個数: 16

約数和(自身を含む): 24485760

約数和(自身を除く): 3700039

約数列:

[1, 11, 23, 29, 253, 319, 667, 2833, 7337, 31163, 65159, 82157, 716749, 903727, 1889611, 20785721]

約数ペア:

[(1, 20785721), (11, 1889611), (23, 903727), (29, 716749), (253, 82157), (319, 65159), (667, 31163), (2833, 7337)]