20008863

素因数分解:

$3^7\times 7^1\times {\mathrm{1307}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 34321920

約数和(自身を除く): 14313057

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1307, 1701, 2187, 3921, 5103, 9149, 11763, 15309, 27447, 35289, 82341, 105867, 247023, 317601, 741069, 952803, 2223207, 2858409, 6669621, 20008863]

約数ペア:

[(1, 20008863), (3, 6669621), (7, 2858409), (9, 2223207), (21, 952803), (27, 741069), (63, 317601), (81, 247023), (189, 105867), (243, 82341), (567, 35289), (729, 27447), (1307, 15309), (1701, 11763), (2187, 9149), (3921, 5103)]