2045797420

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1012771}}^1$

素因数の和:1012881

約数の個数: 24

約数和(自身を含む): 4338715248

約数和(自身を除く): 2292917828

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 1012771, 2025542, 4051084, 5063855, 10127710, 20255420, 102289871, 204579742, 409159484, 511449355, 1022898710, 2045797420]

約数ペア:

[(1, 2045797420), (2, 1022898710), (4, 511449355), (5, 409159484), (10, 204579742), (20, 102289871), (101, 20255420), (202, 10127710), (404, 5063855), (505, 4051084), (1010, 2025542), (2020, 1012771)]