20763595

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2642

約数の個数: 16

約数和(自身を含む): 26376192

約数和(自身を除く): 5612597

約数列:

[1, 5, 23, 71, 115, 355, 1633, 2543, 8165, 12715, 58489, 180553, 292445, 902765, 4152719, 20763595]

約数ペア:

[(1, 20763595), (5, 4152719), (23, 902765), (71, 292445), (115, 180553), (355, 58489), (1633, 12715), (2543, 8165)]