20806257890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1019}}^1\times {\mathrm{185621}}^1$

素因数の和:186658

約数の個数: 32

約数和(自身を含む): 40896239040

約数和(自身を除く): 20089981150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1019, 2038, 5095, 10190, 11209, 22418, 56045, 112090, 185621, 371242, 928105, 1856210, 2041831, 4083662, 10209155, 20418310, 189147799, 378295598, 945738995, 1891477990, 2080625789, 4161251578, 10403128945, 20806257890]

約数ペア:

[(1, 20806257890), (2, 10403128945), (5, 4161251578), (10, 2080625789), (11, 1891477990), (22, 945738995), (55, 378295598), (110, 189147799), (1019, 20418310), (2038, 10209155), (5095, 4083662), (10190, 2041831), (11209, 1856210), (22418, 928105), (56045, 371242), (112090, 185621)]