20711795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 27265536

約数和(自身を除く): 6553741

約数列:

[1, 5, 13, 65, 127, 169, 193, 635, 845, 965, 1651, 2509, 8255, 12545, 21463, 24511, 32617, 107315, 122555, 163085, 318643, 1593215, 4142359, 20711795]

約数ペア:

[(1, 20711795), (5, 4142359), (13, 1593215), (65, 318643), (127, 163085), (169, 122555), (193, 107315), (635, 32617), (845, 24511), (965, 21463), (1651, 12545), (2509, 8255)]