20023927

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 25740288

約数和(自身を除く): 5716361

約数列:

[1, 7, 11, 47, 77, 121, 329, 503, 517, 847, 3521, 3619, 5533, 5687, 23641, 38731, 39809, 60863, 165487, 260051, 426041, 1820357, 2860561, 20023927]

約数ペア:

[(1, 20023927), (7, 2860561), (11, 1820357), (47, 426041), (77, 260051), (121, 165487), (329, 60863), (503, 39809), (517, 38731), (847, 23641), (3521, 5687), (3619, 5533)]