20767863

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1301}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 29435616

約数和(自身を除く): 8667753

約数列:

[1, 3, 17, 51, 313, 939, 1301, 3903, 5321, 15963, 22117, 66351, 407213, 1221639, 6922621, 20767863]

約数ペア:

[(1, 20767863), (3, 6922621), (17, 1221639), (51, 407213), (313, 66351), (939, 22117), (1301, 15963), (3903, 5321)]