20137635

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63929}}^1$

素因数の和:63947

約数の個数: 24

約数和(自身を含む): 39892320

約数和(自身を除く): 19754685

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63929, 191787, 319645, 447503, 575361, 958935, 1342509, 2237515, 2876805, 4027527, 6712545, 20137635]

約数ペア:

[(1, 20137635), (3, 6712545), (5, 4027527), (7, 2876805), (9, 2237515), (15, 1342509), (21, 958935), (35, 575361), (45, 447503), (63, 319645), (105, 191787), (315, 63929)]