16203940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7433}}^1$

素因数の和:7551

約数の個数: 24

約数和(自身を含む): 34345080

約数和(自身を除く): 18141140

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7433, 14866, 29732, 37165, 74330, 148660, 810197, 1620394, 3240788, 4050985, 8101970, 16203940]

約数ペア:

[(1, 16203940), (2, 8101970), (4, 4050985), (5, 3240788), (10, 1620394), (20, 810197), (109, 148660), (218, 74330), (436, 37165), (545, 29732), (1090, 14866), (2180, 7433)]