6646820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3049}}^1$

素因数の和:3167

約数の個数: 24

約数和(自身を含む): 14091000

約数和(自身を除く): 7444180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 3049, 6098, 12196, 15245, 30490, 60980, 332341, 664682, 1329364, 1661705, 3323410, 6646820]

約数ペア:

[(1, 6646820), (2, 3323410), (4, 1661705), (5, 1329364), (10, 664682), (20, 332341), (109, 60980), (218, 30490), (436, 15245), (545, 12196), (1090, 6098), (2180, 3049)]