204508540

素因数分解:

$2^2\times 5^1\times {\mathrm{10225427}}^1$

素因数の和:10225436

約数の個数: 12

約数和(自身を含む): 429467976

約数和(自身を除く): 224959436

約数列:

[1, 2, 4, 5, 10, 20, 10225427, 20450854, 40901708, 51127135, 102254270, 204508540]

約数ペア:

[(1, 204508540), (2, 102254270), (4, 51127135), (5, 40901708), (10, 20450854), (20, 10225427)]