20596865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1601}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 25837056

約数和(自身を除く): 5240191

約数列:

[1, 5, 31, 83, 155, 415, 1601, 2573, 8005, 12865, 49631, 132883, 248155, 664415, 4119373, 20596865]

約数ペア:

[(1, 20596865), (5, 4119373), (31, 664415), (83, 248155), (155, 132883), (415, 49631), (1601, 12865), (2573, 8005)]