20791033347

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7443979}}^1$

素因数の和:7444015

約数の個数: 24

約数和(自身を含む): 33944548800

約数和(自身を除く): 13153515453

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 7443979, 22331937, 52107853, 141435601, 156323559, 364754971, 424306803, 990049207, 1094264913, 2970147621, 6930344449, 20791033347]

約数ペア:

[(1, 20791033347), (3, 6930344449), (7, 2970147621), (19, 1094264913), (21, 990049207), (49, 424306803), (57, 364754971), (133, 156323559), (147, 141435601), (399, 52107853), (931, 22331937), (2793, 7443979)]