20568940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146921}}^1$

素因数の和:146937

約数の個数: 24

約数和(自身を含む): 49365792

約数和(自身を除く): 28796852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146921, 293842, 587684, 734605, 1028447, 1469210, 2056894, 2938420, 4113788, 5142235, 10284470, 20568940]

約数ペア:

[(1, 20568940), (2, 10284470), (4, 5142235), (5, 4113788), (7, 2938420), (10, 2056894), (14, 1469210), (20, 1028447), (28, 734605), (35, 587684), (70, 293842), (140, 146921)]