20061220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23327}}^1$

素因数の和:23379

約数の個数: 24

約数和(自身を含む): 43110144

約数和(自身を除く): 23048924

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23327, 46654, 93308, 116635, 233270, 466540, 1003061, 2006122, 4012244, 5015305, 10030610, 20061220]

約数ペア:

[(1, 20061220), (2, 10030610), (4, 5015305), (5, 4012244), (10, 2006122), (20, 1003061), (43, 466540), (86, 233270), (172, 116635), (215, 93308), (430, 46654), (860, 23327)]