20493551

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1973}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 23877504

約数和(自身を除く): 3383953

約数列:

[1, 13, 17, 47, 221, 611, 799, 1973, 10387, 25649, 33541, 92731, 436033, 1205503, 1576427, 20493551]

約数ペア:

[(1, 20493551), (13, 1576427), (17, 1205503), (47, 436033), (221, 92731), (611, 33541), (799, 25649), (1973, 10387)]