20512940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146521}}^1$

素因数の和:146537

約数の個数: 24

約数和(自身を含む): 49231392

約数和(自身を除く): 28718452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146521, 293042, 586084, 732605, 1025647, 1465210, 2051294, 2930420, 4102588, 5128235, 10256470, 20512940]

約数ペア:

[(1, 20512940), (2, 10256470), (4, 5128235), (5, 4102588), (7, 2930420), (10, 2051294), (14, 1465210), (20, 1025647), (28, 732605), (35, 586084), (70, 293042), (140, 146521)]