20570380

素因数分解:

$2^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{1129}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 43283520

約数和(自身を除く): 22713140

約数列:

[1, 2, 4, 5, 10, 20, 911, 1129, 1822, 2258, 3644, 4516, 4555, 5645, 9110, 11290, 18220, 22580, 1028519, 2057038, 4114076, 5142595, 10285190, 20570380]

約数ペア:

[(1, 20570380), (2, 10285190), (4, 5142595), (5, 4114076), (10, 2057038), (20, 1028519), (911, 22580), (1129, 18220), (1822, 11290), (2258, 9110), (3644, 5645), (4516, 4555)]