20306195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3433}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 30164256

約数和(自身を除く): 9858061

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 3433, 5915, 17165, 24031, 44629, 120155, 223145, 312403, 580177, 1562015, 2900885, 4061239, 20306195]

約数ペア:

[(1, 20306195), (5, 4061239), (7, 2900885), (13, 1562015), (35, 580177), (65, 312403), (91, 223145), (169, 120155), (455, 44629), (845, 24031), (1183, 17165), (3433, 5915)]