205288220

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{7193}}^1$

素因数の和:8629

約数の個数: 24

約数和(自身を含む): 431467344

約数和(自身を除く): 226179124

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2854, 5708, 7135, 7193, 14270, 14386, 28540, 28772, 35965, 71930, 143860, 10264411, 20528822, 41057644, 51322055, 102644110, 205288220]

約数ペア:

[(1, 205288220), (2, 102644110), (4, 51322055), (5, 41057644), (10, 20528822), (20, 10264411), (1427, 143860), (2854, 71930), (5708, 35965), (7135, 28772), (7193, 28540), (14270, 14386)]