20968420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95311}}^1$

素因数の和:95331

約数の個数: 24

約数和(自身を含む): 48037248

約数和(自身を除く): 27068828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95311, 190622, 381244, 476555, 953110, 1048421, 1906220, 2096842, 4193684, 5242105, 10484210, 20968420]

約数ペア:

[(1, 20968420), (2, 10484210), (4, 5242105), (5, 4193684), (10, 2096842), (11, 1906220), (20, 1048421), (22, 953110), (44, 476555), (55, 381244), (110, 190622), (220, 95311)]