20230145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 26681400

約数和(自身を除く): 6451255

約数列:

[1, 5, 13, 65, 89, 169, 269, 445, 845, 1157, 1345, 3497, 5785, 15041, 17485, 23941, 45461, 75205, 119705, 227305, 311233, 1556165, 4046029, 20230145]

約数ペア:

[(1, 20230145), (5, 4046029), (13, 1556165), (65, 311233), (89, 227305), (169, 119705), (269, 75205), (445, 45461), (845, 23941), (1157, 17485), (1345, 15041), (3497, 5785)]