20170096840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4626169}}^1$

素因数の和:4626289

約数の個数: 32

約数和(自身を含む): 45799083000

約数和(自身を除く): 25628986160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 4626169, 9252338, 18504676, 23130845, 37009352, 46261690, 92523380, 185046760, 504252421, 1008504842, 2017009684, 2521262105, 4034019368, 5042524210, 10085048420, 20170096840]

約数ペア:

[(1, 20170096840), (2, 10085048420), (4, 5042524210), (5, 4034019368), (8, 2521262105), (10, 2017009684), (20, 1008504842), (40, 504252421), (109, 185046760), (218, 92523380), (436, 46261690), (545, 37009352), (872, 23130845), (1090, 18504676), (2180, 9252338), (4360, 4626169)]