20341460

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{1399}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 42806400

約数和(自身を除く): 22464940

約数列:

[1, 2, 4, 5, 10, 20, 727, 1399, 1454, 2798, 2908, 3635, 5596, 6995, 7270, 13990, 14540, 27980, 1017073, 2034146, 4068292, 5085365, 10170730, 20341460]

約数ペア:

[(1, 20341460), (2, 10170730), (4, 5085365), (5, 4068292), (10, 2034146), (20, 1017073), (727, 27980), (1399, 14540), (1454, 13990), (2798, 7270), (2908, 6995), (3635, 5596)]