20239325771

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 23627345280

約数和(自身を除く): 3388019509

約数列:

[1, 7, 97, 157, 373, 509, 679, 1099, 2611, 3563, 15229, 36181, 49373, 58561, 79913, 106603, 189857, 253267, 345611, 409927, 559391, 1328999, 5680417, 7751561, 18416129, 29807549, 39762919, 54260927, 128912903, 208652843, 2891332253, 20239325771]

約数ペア:

[(1, 20239325771), (7, 2891332253), (97, 208652843), (157, 128912903), (373, 54260927), (509, 39762919), (679, 29807549), (1099, 18416129), (2611, 7751561), (3563, 5680417), (15229, 1328999), (36181, 559391), (49373, 409927), (58561, 345611), (79913, 253267), (106603, 189857)]