20550569

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 24665472

約数和(自身を除く): 4114903

約数列:

[1, 13, 17, 23, 169, 221, 299, 311, 391, 2873, 3887, 4043, 5083, 5287, 7153, 52559, 66079, 68731, 92989, 121601, 893503, 1208857, 1580813, 20550569]

約数ペア:

[(1, 20550569), (13, 1580813), (17, 1208857), (23, 893503), (169, 121601), (221, 92989), (299, 68731), (311, 66079), (391, 52559), (2873, 7153), (3887, 5287), (4043, 5083)]