20790781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 24317568

約数和(自身を除く): 3526787

約数列:

[1, 11, 23, 37, 253, 407, 851, 2221, 9361, 24431, 51083, 82177, 561913, 903947, 1890071, 20790781]

約数ペア:

[(1, 20790781), (11, 1890071), (23, 903947), (37, 561913), (253, 82177), (407, 51083), (851, 24431), (2221, 9361)]