20951245

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2837}}^1$

素因数の和:3060

約数の個数: 16

約数和(自身を含む): 28879488

約数和(自身を除く): 7928243

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 2837, 7385, 14185, 19859, 99295, 598607, 2993035, 4190249, 20951245]

約数ペア:

[(1, 20951245), (5, 4190249), (7, 2993035), (35, 598607), (211, 99295), (1055, 19859), (1477, 14185), (2837, 7385)]