2016580420

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{210499}}^1$

素因数の和:210987

約数の個数: 24

約数和(自身を含む): 4243680000

約数和(自身を除く): 2227099580

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1916, 2395, 4790, 9580, 210499, 420998, 841996, 1052495, 2104990, 4209980, 100829021, 201658042, 403316084, 504145105, 1008290210, 2016580420]

約数ペア:

[(1, 2016580420), (2, 1008290210), (4, 504145105), (5, 403316084), (10, 201658042), (20, 100829021), (479, 4209980), (958, 2104990), (1916, 1052495), (2395, 841996), (4790, 420998), (9580, 210499)]