999921220

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{46769}}^1$

素因数の和:47847

約数の個数: 24

約数和(自身を含む): 2101843800

約数和(自身を除く): 1101922580

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 4276, 5345, 10690, 21380, 46769, 93538, 187076, 233845, 467690, 935380, 49996061, 99992122, 199984244, 249980305, 499960610, 999921220]

約数ペア:

[(1, 999921220), (2, 499960610), (4, 249980305), (5, 199984244), (10, 99992122), (20, 49996061), (1069, 935380), (2138, 467690), (4276, 233845), (5345, 187076), (10690, 93538), (21380, 46769)]