20512521463

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{39047}}^1$

素因数の和:39283

約数の個数: 24

約数和(自身を含む): 24358454784

約数和(自身を除く): 3845933321

約数列:

[1, 7, 49, 71, 151, 497, 1057, 3479, 7399, 10721, 39047, 75047, 273329, 525329, 1913303, 2772337, 5896097, 19406359, 41272679, 135844513, 288908753, 418622887, 2930360209, 20512521463]

約数ペア:

[(1, 20512521463), (7, 2930360209), (49, 418622887), (71, 288908753), (151, 135844513), (497, 41272679), (1057, 19406359), (3479, 5896097), (7399, 2772337), (10721, 1913303), (39047, 525329), (75047, 273329)]