20469820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146213}}^1$

素因数の和:146229

約数の個数: 24

約数和(自身を含む): 49127904

約数和(自身を除く): 28658084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146213, 292426, 584852, 731065, 1023491, 1462130, 2046982, 2924260, 4093964, 5117455, 10234910, 20469820]

約数ペア:

[(1, 20469820), (2, 10234910), (4, 5117455), (5, 4093964), (7, 2924260), (10, 2046982), (14, 1462130), (20, 1023491), (28, 731065), (35, 584852), (70, 292426), (140, 146213)]