20078660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143419}}^1$

素因数の和:143435

約数の個数: 24

約数和(自身を含む): 48189120

約数和(自身を除く): 28110460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143419, 286838, 573676, 717095, 1003933, 1434190, 2007866, 2868380, 4015732, 5019665, 10039330, 20078660]

約数ペア:

[(1, 20078660), (2, 10039330), (4, 5019665), (5, 4015732), (7, 2868380), (10, 2007866), (14, 1434190), (20, 1003933), (28, 717095), (35, 573676), (70, 286838), (140, 143419)]