20473117

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4001}}^1$

素因数の和:4068

約数の個数: 16

約数和(自身を含む): 25356672

約数和(自身を除く): 4883555

約数列:

[1, 7, 17, 43, 119, 301, 731, 4001, 5117, 28007, 68017, 172043, 476119, 1204301, 2924731, 20473117]

約数ペア:

[(1, 20473117), (7, 2924731), (17, 1204301), (43, 476119), (119, 172043), (301, 68017), (731, 28007), (4001, 5117)]