20473964

素因数分解:

$2^2\times 7^2\times {\mathrm{104459}}^1$

素因数の和:104477

約数の個数: 18

約数和(自身を含む): 41679540

約数和(自身を除く): 21205576

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 104459, 208918, 417836, 731213, 1462426, 2924852, 5118491, 10236982, 20473964]

約数ペア:

[(1, 20473964), (2, 10236982), (4, 5118491), (7, 2924852), (14, 1462426), (28, 731213), (49, 417836), (98, 208918), (196, 104459)]