20168780

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2633}}^1$

素因数の和:3025

約数の個数: 24

約数和(自身を含む): 42481152

約数和(自身を除く): 22312372

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2633, 3830, 5266, 7660, 10532, 13165, 26330, 52660, 1008439, 2016878, 4033756, 5042195, 10084390, 20168780]

約数ペア:

[(1, 20168780), (2, 10084390), (4, 5042195), (5, 4033756), (10, 2016878), (20, 1008439), (383, 52660), (766, 26330), (1532, 13165), (1915, 10532), (2633, 7660), (3830, 5266)]