20629791

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25189}}^1$

素因数の和:25215

約数の個数: 24

約数和(自身を含む): 36676640

約数和(自身を除く): 16046849

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 25189, 75567, 176323, 226701, 327457, 528969, 982371, 1586907, 2292199, 2947113, 6876597, 20629791]

約数ペア:

[(1, 20629791), (3, 6876597), (7, 2947113), (9, 2292199), (13, 1586907), (21, 982371), (39, 528969), (63, 327457), (91, 226701), (117, 176323), (273, 75567), (819, 25189)]