20607839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4129}}^1$

素因数の和:4190

約数の個数: 16

約数和(自身を含む): 25374720

約数和(自身を除く): 4766881

約数列:

[1, 7, 23, 31, 161, 217, 713, 4129, 4991, 28903, 94967, 127999, 664769, 895993, 2943977, 20607839]

約数ペア:

[(1, 20607839), (7, 2943977), (23, 895993), (31, 664769), (161, 127999), (217, 94967), (713, 28903), (4129, 4991)]