20306495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{1913}}^1$

素因数の和:2122

約数の個数: 16

約数和(自身を含む): 26734752

約数和(自身を除く): 6428257

約数列:

[1, 5, 11, 55, 193, 965, 1913, 2123, 9565, 10615, 21043, 105215, 369209, 1846045, 4061299, 20306495]

約数ペア:

[(1, 20306495), (5, 4061299), (11, 1846045), (55, 369209), (193, 105215), (965, 21043), (1913, 10615), (2123, 9565)]