20674423

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{317}}^1$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 26536464

約数和(自身を除く): 5862041

約数列:

[1, 7, 11, 49, 77, 121, 317, 539, 847, 1331, 2219, 3487, 5929, 9317, 15533, 24409, 38357, 65219, 170863, 268499, 421927, 1879493, 2953489, 20674423]

約数ペア:

[(1, 20674423), (7, 2953489), (11, 1879493), (49, 421927), (77, 268499), (121, 170863), (317, 65219), (539, 38357), (847, 24409), (1331, 15533), (2219, 9317), (3487, 5929)]