203464420

素因数分解:

$2^2\times 5^1\times {\mathrm{10173221}}^1$

素因数の和:10173230

約数の個数: 12

約数和(自身を含む): 427275324

約数和(自身を除く): 223810904

約数列:

[1, 2, 4, 5, 10, 20, 10173221, 20346442, 40692884, 50866105, 101732210, 203464420]

約数ペア:

[(1, 203464420), (2, 101732210), (4, 50866105), (5, 40692884), (10, 20346442), (20, 10173221)]