20200063

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 23716800

約数和(自身を除く): 3516737

約数列:

[1, 13, 17, 79, 89, 169, 221, 1027, 1157, 1343, 1513, 2873, 7031, 13351, 15041, 17459, 19669, 91403, 119527, 226967, 255697, 1188239, 1553851, 20200063]

約数ペア:

[(1, 20200063), (13, 1553851), (17, 1188239), (79, 255697), (89, 226967), (169, 119527), (221, 91403), (1027, 19669), (1157, 17459), (1343, 15041), (1513, 13351), (2873, 7031)]