20086475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 26269152

約数和(自身を除く): 6182677

約数列:

[1, 5, 23, 25, 115, 181, 193, 575, 905, 965, 4163, 4439, 4525, 4825, 20815, 22195, 34933, 104075, 110975, 174665, 803459, 873325, 4017295, 20086475]

約数ペア:

[(1, 20086475), (5, 4017295), (23, 873325), (25, 803459), (115, 174665), (181, 110975), (193, 104075), (575, 34933), (905, 22195), (965, 20815), (4163, 4825), (4439, 4525)]