20804804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8269}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 39596760

約数和(自身を除く): 18791956

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8269, 16538, 33076, 140573, 281146, 305953, 562292, 611906, 1223812, 5201201, 10402402, 20804804]

約数ペア:

[(1, 20804804), (2, 10402402), (4, 5201201), (17, 1223812), (34, 611906), (37, 562292), (68, 305953), (74, 281146), (148, 140573), (629, 33076), (1258, 16538), (2516, 8269)]