20569328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7607}}^1$

素因数の和:7641

約数の個数: 30

約数和(自身を含む): 43160184

約数和(自身を除く): 22590856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7607, 15214, 30428, 60856, 98891, 121712, 197782, 395564, 791128, 1285583, 1582256, 2571166, 5142332, 10284664, 20569328]

約数ペア:

[(1, 20569328), (2, 10284664), (4, 5142332), (8, 2571166), (13, 1582256), (16, 1285583), (26, 791128), (52, 395564), (104, 197782), (169, 121712), (208, 98891), (338, 60856), (676, 30428), (1352, 15214), (2704, 7607)]