20929885

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 27035064

約数和(自身を除く): 6105179

約数列:

[1, 5, 23, 41, 115, 193, 205, 529, 943, 965, 2645, 4439, 4715, 7913, 21689, 22195, 39565, 102097, 108445, 181999, 510485, 909995, 4185977, 20929885]

約数ペア:

[(1, 20929885), (5, 4185977), (23, 909995), (41, 510485), (115, 181999), (193, 108445), (205, 102097), (529, 39565), (943, 22195), (965, 21689), (2645, 7913), (4439, 4715)]