20156009080

素因数分解:

$2^3\times 5^1\times {\mathrm{503900227}}^1$

素因数の和:503900238

約数の個数: 16

約数和(自身を含む): 45351020520

約数和(自身を除く): 25195011440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503900227, 1007800454, 2015600908, 2519501135, 4031201816, 5039002270, 10078004540, 20156009080]

約数ペア:

[(1, 20156009080), (2, 10078004540), (4, 5039002270), (5, 4031201816), (8, 2519501135), (10, 2015600908), (20, 1007800454), (40, 503900227)]