20342171521

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{479}}^1\times {\mathrm{1013}}^1$

素因数の和:1665

約数の個数: 32

約数和(自身を含む): 23969986560

約数和(自身を除く): 3627815039

約数列:

[1, 7, 53, 113, 371, 479, 791, 1013, 3353, 5989, 7091, 25387, 41923, 53689, 54127, 114469, 177709, 375823, 378889, 485227, 801283, 2868731, 3396589, 6066857, 20081117, 25717031, 42467999, 54830651, 180019217, 383814557, 2906024503, 20342171521]

約数ペア:

[(1, 20342171521), (7, 2906024503), (53, 383814557), (113, 180019217), (371, 54830651), (479, 42467999), (791, 25717031), (1013, 20081117), (3353, 6066857), (5989, 3396589), (7091, 2868731), (25387, 801283), (41923, 485227), (53689, 378889), (54127, 375823), (114469, 177709)]