16740980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3257}}^1$

素因数の和:3523

約数の個数: 24

約数和(自身を含む): 35303688

約数和(自身を除く): 18562708

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3257, 5140, 6514, 13028, 16285, 32570, 65140, 837049, 1674098, 3348196, 4185245, 8370490, 16740980]

約数ペア:

[(1, 16740980), (2, 8370490), (4, 4185245), (5, 3348196), (10, 1674098), (20, 837049), (257, 65140), (514, 32570), (1028, 16285), (1285, 13028), (2570, 6514), (3257, 5140)]