9784420

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1741}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 20632248

約数和(自身を除く): 10847828

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 1741, 2810, 3482, 5620, 6964, 8705, 17410, 34820, 489221, 978442, 1956884, 2446105, 4892210, 9784420]

約数ペア:

[(1, 9784420), (2, 4892210), (4, 2446105), (5, 1956884), (10, 978442), (20, 489221), (281, 34820), (562, 17410), (1124, 8705), (1405, 6964), (1741, 5620), (2810, 3482)]