20121581647

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{986981}}^1$

素因数の和:987066

約数の個数: 16

約数和(自身を含む): 22503189600

約数和(自身を除く): 2381607953

約数列:

[1, 19, 29, 37, 551, 703, 1073, 20387, 986981, 18752639, 28622449, 36518297, 543826531, 693847643, 1059030613, 20121581647]

約数ペア:

[(1, 20121581647), (19, 1059030613), (29, 693847643), (37, 543826531), (551, 36518297), (703, 28622449), (1073, 18752639), (20387, 986981)]