20473321

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 24562440

約数和(自身を除く): 4089119

約数列:

[1, 11, 17, 37, 121, 187, 269, 407, 629, 2057, 2959, 4477, 4573, 6919, 9953, 32549, 50303, 76109, 109483, 169201, 553333, 1204313, 1861211, 20473321]

約数ペア:

[(1, 20473321), (11, 1861211), (17, 1204313), (37, 553333), (121, 169201), (187, 109483), (269, 76109), (407, 50303), (629, 32549), (2057, 9953), (2959, 6919), (4477, 4573)]