20802924

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10903}}^1$

素因数の和:10966

約数の個数: 36

約数和(自身を含む): 53582256

約数和(自身を除く): 32779332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10903, 21806, 32709, 43612, 65418, 98127, 130836, 196254, 392508, 577859, 1155718, 1733577, 2311436, 3467154, 5200731, 6934308, 10401462, 20802924]

約数ペア:

[(1, 20802924), (2, 10401462), (3, 6934308), (4, 5200731), (6, 3467154), (9, 2311436), (12, 1733577), (18, 1155718), (36, 577859), (53, 392508), (106, 196254), (159, 130836), (212, 98127), (318, 65418), (477, 43612), (636, 32709), (954, 21806), (1908, 10903)]