20178697781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{947}}^1\times {\mathrm{27283}}^1$

素因数の和:28312

約数の個数: 16

約数和(自身を含む): 22347560448

約数和(自身を除く): 2168862667

約数列:

[1, 11, 71, 781, 947, 10417, 27283, 67237, 300113, 739607, 1937093, 21308023, 25837001, 284207011, 1834427071, 20178697781]

約数ペア:

[(1, 20178697781), (11, 1834427071), (71, 284207011), (781, 25837001), (947, 21308023), (10417, 1937093), (27283, 739607), (67237, 300113)]