203468420

素因数分解:

$2^2\times 5^1\times {\mathrm{10173421}}^1$

素因数の和:10173430

約数の個数: 12

約数和(自身を含む): 427283724

約数和(自身を除く): 223815304

約数列:

[1, 2, 4, 5, 10, 20, 10173421, 20346842, 40693684, 50867105, 101734210, 203468420]

約数ペア:

[(1, 203468420), (2, 101734210), (4, 50867105), (5, 40693684), (10, 20346842), (20, 10173421)]