2060442220

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{209821}}^1$

素因数の和:210321

約数の個数: 24

約数和(自身を含む): 4335761808

約数和(自身を除く): 2275319588

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 209821, 419642, 839284, 1049105, 2098210, 4196420, 103022111, 206044222, 412088444, 515110555, 1030221110, 2060442220]

約数ペア:

[(1, 2060442220), (2, 1030221110), (4, 515110555), (5, 412088444), (10, 206044222), (20, 103022111), (491, 4196420), (982, 2098210), (1964, 1049105), (2455, 839284), (4910, 419642), (9820, 209821)]