20307875

素因数分解:

$5^3\times 7^1\times {\mathrm{23209}}^1$

素因数の和:23231

約数の個数: 16

約数和(自身を含む): 28966080

約数和(自身を除く): 8658205

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 23209, 116045, 162463, 580225, 812315, 2901125, 4061575, 20307875]

約数ペア:

[(1, 20307875), (5, 4061575), (7, 2901125), (25, 812315), (35, 580225), (125, 162463), (175, 116045), (875, 23209)]