201549820

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{20693}}^1$

素因数の和:21189

約数の個数: 24

約数和(自身を含む): 424144224

約数和(自身を除く): 222594404

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 20693, 41386, 82772, 103465, 206930, 413860, 10077491, 20154982, 40309964, 50387455, 100774910, 201549820]

約数ペア:

[(1, 201549820), (2, 100774910), (4, 50387455), (5, 40309964), (10, 20154982), (20, 10077491), (487, 413860), (974, 206930), (1948, 103465), (2435, 82772), (4870, 41386), (9740, 20693)]