20118710

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4919}}^1$

素因数の和:5335

約数の個数: 16

約数和(自身を含む): 36309600

約数和(自身を除く): 16190890

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4919, 9838, 24595, 49190, 2011871, 4023742, 10059355, 20118710]

約数ペア:

[(1, 20118710), (2, 10059355), (5, 4023742), (10, 2011871), (409, 49190), (818, 24595), (2045, 9838), (4090, 4919)]