20571342040

素因数分解:

$2^3\times 5^1\times {\mathrm{514283551}}^1$

素因数の和:514283562

約数の個数: 16

約数和(自身を含む): 46285519680

約数和(自身を除く): 25714177640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 514283551, 1028567102, 2057134204, 2571417755, 4114268408, 5142835510, 10285671020, 20571342040]

約数ペア:

[(1, 20571342040), (2, 10285671020), (4, 5142835510), (5, 4114268408), (8, 2571417755), (10, 2057134204), (20, 1028567102), (40, 514283551)]