20205393

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7297}}^1$

素因数の和:7384

約数の個数: 16

約数和(自身を含む): 29425536

約数和(自身を除く): 9220143

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7297, 21891, 94861, 284583, 518087, 1554261, 6735131, 20205393]

約数ペア:

[(1, 20205393), (3, 6735131), (13, 1554261), (39, 518087), (71, 284583), (213, 94861), (923, 21891), (2769, 7297)]