20199511283

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{195121}}^1$

素因数の和:195794

約数の個数: 16

約数和(自身を含む): 24126445056

約数和(自身を除く): 3926933773

約数列:

[1, 7, 23, 161, 643, 4501, 14789, 103523, 195121, 1365847, 4487783, 31414481, 125462803, 878239621, 2885644469, 20199511283]

約数ペア:

[(1, 20199511283), (7, 2885644469), (23, 878239621), (161, 125462803), (643, 31414481), (4501, 4487783), (14789, 1365847), (103523, 195121)]