20165212821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1489}}^1\times {\mathrm{347251}}^1$

素因数の和:348756

約数の個数: 16

約数和(自身を含む): 28974706880

約数和(自身を除く): 8809494059

約数列:

[1, 3, 13, 39, 1489, 4467, 19357, 58071, 347251, 1041753, 4514263, 13542789, 517056739, 1551170217, 6721737607, 20165212821]

約数ペア:

[(1, 20165212821), (3, 6721737607), (13, 1551170217), (39, 517056739), (1489, 13542789), (4467, 4514263), (19357, 1041753), (58071, 347251)]