13202660

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1697}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 27813240

約数和(自身を除く): 14610580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1697, 1945, 3394, 3890, 6788, 7780, 8485, 16970, 33940, 660133, 1320266, 2640532, 3300665, 6601330, 13202660]

約数ペア:

[(1, 13202660), (2, 6601330), (4, 3300665), (5, 2640532), (10, 1320266), (20, 660133), (389, 33940), (778, 16970), (1556, 8485), (1697, 7780), (1945, 6788), (3394, 3890)]