209132020

素因数分解:

$2^2\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{7297}}^1$

素因数の和:8739

約数の個数: 24

約数和(自身を含む): 439543944

約数和(自身を除く): 230411924

約数列:

[1, 2, 4, 5, 10, 20, 1433, 2866, 5732, 7165, 7297, 14330, 14594, 28660, 29188, 36485, 72970, 145940, 10456601, 20913202, 41826404, 52283005, 104566010, 209132020]

約数ペア:

[(1, 209132020), (2, 104566010), (4, 52283005), (5, 41826404), (10, 20913202), (20, 10456601), (1433, 145940), (2866, 72970), (5732, 36485), (7165, 29188), (7297, 28660), (14330, 14594)]