20088299

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 25957344

約数和(自身を除く): 5869045

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 641, 847, 2849, 4477, 4487, 7051, 23717, 31339, 49357, 77561, 166019, 260887, 542927, 1826209, 2869757, 20088299]

約数ペア:

[(1, 20088299), (7, 2869757), (11, 1826209), (37, 542927), (77, 260887), (121, 166019), (259, 77561), (407, 49357), (641, 31339), (847, 23717), (2849, 7051), (4477, 4487)]