20858657183

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{829}}^1\times {\mathrm{21269}}^1$

素因数の和:22131

約数の個数: 24

約数和(自身を含む): 25845602400

約数和(自身を除く): 4986945217

約数列:

[1, 7, 13, 91, 169, 829, 1183, 5803, 10777, 21269, 75439, 140101, 148883, 276497, 980707, 1935479, 3594461, 17632001, 25161227, 123424007, 229216013, 1604512091, 2979808169, 20858657183]

約数ペア:

[(1, 20858657183), (7, 2979808169), (13, 1604512091), (91, 229216013), (169, 123424007), (829, 25161227), (1183, 17632001), (5803, 3594461), (10777, 1935479), (21269, 980707), (75439, 276497), (140101, 148883)]