20378934

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{827}}^1$

素因数の和:909

約数の個数: 36

約数和(自身を含む): 45434844

約数和(自身を除く): 25055910

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 827, 1369, 1654, 2481, 2738, 4107, 4962, 7443, 8214, 12321, 14886, 24642, 30599, 61198, 91797, 183594, 275391, 550782, 1132163, 2264326, 3396489, 6792978, 10189467, 20378934]

約数ペア:

[(1, 20378934), (2, 10189467), (3, 6792978), (6, 3396489), (9, 2264326), (18, 1132163), (37, 550782), (74, 275391), (111, 183594), (222, 91797), (333, 61198), (666, 30599), (827, 24642), (1369, 14886), (1654, 12321), (2481, 8214), (2738, 7443), (4107, 4962)]