20620068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245477}}^1$

素因数の和:245491

約数の個数: 24

約数和(自身を含む): 54987072

約数和(自身を除く): 34367004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245477, 490954, 736431, 981908, 1472862, 1718339, 2945724, 3436678, 5155017, 6873356, 10310034, 20620068]

約数ペア:

[(1, 20620068), (2, 10310034), (3, 6873356), (4, 5155017), (6, 3436678), (7, 2945724), (12, 1718339), (14, 1472862), (21, 981908), (28, 736431), (42, 490954), (84, 245477)]