20047340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27091}}^1$

素因数の和:27137

約数の個数: 24

約数和(自身を含む): 43238832

約数和(自身を除く): 23191492

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27091, 54182, 108364, 135455, 270910, 541820, 1002367, 2004734, 4009468, 5011835, 10023670, 20047340]

約数ペア:

[(1, 20047340), (2, 10023670), (4, 5011835), (5, 4009468), (10, 2004734), (20, 1002367), (37, 541820), (74, 270910), (148, 135455), (185, 108364), (370, 54182), (740, 27091)]