20394843

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11701}}^1$

素因数の和:11794

約数の個数: 16

約数和(自身を含む): 31454976

約数和(自身を除く): 11060133

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11701, 35103, 81907, 245721, 971183, 2913549, 6798281, 20394843]

約数ペア:

[(1, 20394843), (3, 6798281), (7, 2913549), (21, 971183), (83, 245721), (249, 81907), (581, 35103), (1743, 11701)]