20648732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{829}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 39043200

約数和(自身を除く): 18394468

約数列:

[1, 2, 4, 13, 26, 52, 479, 829, 958, 1658, 1916, 3316, 6227, 10777, 12454, 21554, 24908, 43108, 397091, 794182, 1588364, 5162183, 10324366, 20648732]

約数ペア:

[(1, 20648732), (2, 10324366), (4, 5162183), (13, 1588364), (26, 794182), (52, 397091), (479, 43108), (829, 24908), (958, 21554), (1658, 12454), (1916, 10777), (3316, 6227)]