20804867713

素因数分解:

$7^3\times {\mathrm{953}}^1\times {\mathrm{63647}}^1$

素因数の和:64621

約数の個数: 16

約数和(自身を含む): 24288076800

約数和(自身を除く): 3483209087

約数列:

[1, 7, 49, 343, 953, 6671, 46697, 63647, 326879, 445529, 3118703, 21830921, 60655591, 424589137, 2972123959, 20804867713]

約数ペア:

[(1, 20804867713), (7, 2972123959), (49, 424589137), (343, 60655591), (953, 21830921), (6671, 3118703), (46697, 445529), (63647, 326879)]