20180663426

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18720467}}^1$

素因数の和:18720494

約数の個数: 24

約数和(自身を含む): 38414400336

約数和(自身を除く): 18233736910

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 18720467, 37440934, 131043269, 205925137, 262086538, 411850274, 917302883, 1441475959, 1834605766, 2882951918, 10090331713, 20180663426]

約数ペア:

[(1, 20180663426), (2, 10090331713), (7, 2882951918), (11, 1834605766), (14, 1441475959), (22, 917302883), (49, 411850274), (77, 262086538), (98, 205925137), (154, 131043269), (539, 37440934), (1078, 18720467)]