20941089

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17321}}^1$

素因数の和:17368

約数の個数: 16

約数和(自身を含む): 31041024

約数和(自身を除く): 10099935

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 17321, 51963, 225173, 536951, 675519, 1610853, 6980363, 20941089]

約数ペア:

[(1, 20941089), (3, 6980363), (13, 1610853), (31, 675519), (39, 536951), (93, 225173), (403, 51963), (1209, 17321)]