20423500

素因数分解:

$2^2\times 5^3\times {\mathrm{40847}}^1$

素因数の和:40866

約数の個数: 24

約数和(自身を含む): 44606016

約数和(自身を除く): 24182516

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 40847, 81694, 163388, 204235, 408470, 816940, 1021175, 2042350, 4084700, 5105875, 10211750, 20423500]

約数ペア:

[(1, 20423500), (2, 10211750), (4, 5105875), (5, 4084700), (10, 2042350), (20, 1021175), (25, 816940), (50, 408470), (100, 204235), (125, 163388), (250, 81694), (500, 40847)]