20785884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247451}}^1$

素因数の和:247465

約数の個数: 24

約数和(自身を含む): 55429248

約数和(自身を除く): 34643364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247451, 494902, 742353, 989804, 1484706, 1732157, 2969412, 3464314, 5196471, 6928628, 10392942, 20785884]

約数ペア:

[(1, 20785884), (2, 10392942), (3, 6928628), (4, 5196471), (6, 3464314), (7, 2969412), (12, 1732157), (14, 1484706), (21, 989804), (28, 742353), (42, 494902), (84, 247451)]