20157080

素因数分解:

$2^3\times 5^1\times {\mathrm{503927}}^1$

素因数の和:503938

約数の個数: 16

約数和(自身を含む): 45353520

約数和(自身を除く): 25196440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503927, 1007854, 2015708, 2519635, 4031416, 5039270, 10078540, 20157080]

約数ペア:

[(1, 20157080), (2, 10078540), (4, 5039270), (5, 4031416), (8, 2519635), (10, 2015708), (20, 1007854), (40, 503927)]