20172779774

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4353211}}^1$

素因数の和:4353551

約数の個数: 16

約数和(自身を含む): 34686393216

約数和(自身を除く): 14513613442

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 4353211, 8706422, 30472477, 60944954, 1440912841, 2881825682, 10086389887, 20172779774]

約数ペア:

[(1, 20172779774), (2, 10086389887), (7, 2881825682), (14, 1440912841), (331, 60944954), (662, 30472477), (2317, 8706422), (4634, 4353211)]