2013280180

素因数分解:

$2^2\times 5^1\times {\mathrm{100664009}}^1$

素因数の和:100664018

約数の個数: 12

約数和(自身を含む): 4227888420

約数和(自身を除く): 2214608240

約数列:

[1, 2, 4, 5, 10, 20, 100664009, 201328018, 402656036, 503320045, 1006640090, 2013280180]

約数ペア:

[(1, 2013280180), (2, 1006640090), (4, 503320045), (5, 402656036), (10, 201328018), (20, 100664009)]