20804497925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{554417}}^1$

素因数の和:554525

約数の個数: 24

約数和(自身を含む): 27499132800

約数和(自身を除く): 6694634875

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1501, 1975, 7505, 37525, 554417, 2772085, 10533923, 13860425, 43798943, 52669615, 218994715, 263348075, 832179917, 1094973575, 4160899585, 20804497925]

約数ペア:

[(1, 20804497925), (5, 4160899585), (19, 1094973575), (25, 832179917), (79, 263348075), (95, 218994715), (395, 52669615), (475, 43798943), (1501, 13860425), (1975, 10533923), (7505, 2772085), (37525, 554417)]