20348737437

素因数分解:

$3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1506979}}^1$

素因数の和:1507632

約数の個数: 16

約数和(自身を含む): 31055843840

約数和(自身を除く): 10707106403

約数列:

[1, 3, 7, 21, 643, 1929, 4501, 13503, 1506979, 4520937, 10548853, 31646559, 968987497, 2906962491, 6782912479, 20348737437]

約数ペア:

[(1, 20348737437), (3, 6782912479), (7, 2906962491), (21, 968987497), (643, 31646559), (1929, 10548853), (4501, 4520937), (13503, 1506979)]