20798204

素因数分解:

$2^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1373}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 41703648

約数和(自身を除く): 20905444

約数列:

[1, 2, 4, 7, 14, 28, 541, 1082, 1373, 2164, 2746, 3787, 5492, 7574, 9611, 15148, 19222, 38444, 742793, 1485586, 2971172, 5199551, 10399102, 20798204]

約数ペア:

[(1, 20798204), (2, 10399102), (4, 5199551), (7, 2971172), (14, 1485586), (28, 742793), (541, 38444), (1082, 19222), (1373, 15148), (2164, 9611), (2746, 7574), (3787, 5492)]