20925411

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{277}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 30524400

約数和(自身を除く): 9598989

約数列:

[1, 3, 13, 39, 149, 169, 277, 447, 507, 831, 1937, 3601, 5811, 10803, 25181, 41273, 46813, 75543, 123819, 140439, 536549, 1609647, 6975137, 20925411]

約数ペア:

[(1, 20925411), (3, 6975137), (13, 1609647), (39, 536549), (149, 140439), (169, 123819), (277, 75543), (447, 46813), (507, 41273), (831, 25181), (1937, 10803), (3601, 5811)]