20011820

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27043}}^1$

素因数の和:27089

約数の個数: 24

約数和(自身を含む): 43162224

約数和(自身を除く): 23150404

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27043, 54086, 108172, 135215, 270430, 540860, 1000591, 2001182, 4002364, 5002955, 10005910, 20011820]

約数ペア:

[(1, 20011820), (2, 10005910), (4, 5002955), (5, 4002364), (10, 2001182), (20, 1000591), (37, 540860), (74, 270430), (148, 135215), (185, 108172), (370, 54086), (740, 27043)]