20451117

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3571}}^1$

素因数の和:3680

約数の個数: 16

約数和(自身を含む): 28804608

約数和(自身を除く): 8353491

約数列:

[1, 3, 23, 69, 83, 249, 1909, 3571, 5727, 10713, 82133, 246399, 296393, 889179, 6817039, 20451117]

約数ペア:

[(1, 20451117), (3, 6817039), (23, 889179), (69, 296393), (83, 246399), (249, 82133), (1909, 10713), (3571, 5727)]