20375095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18439}}^1$

素因数の和:18474

約数の個数: 16

約数和(自身を含む): 27881280

約数和(自身を除く): 7506185

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18439, 92195, 239707, 313463, 1198535, 1567315, 4075019, 20375095]

約数ペア:

[(1, 20375095), (5, 4075019), (13, 1567315), (17, 1198535), (65, 313463), (85, 239707), (221, 92195), (1105, 18439)]