20367081

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{853}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 33750080

約数和(自身を除く): 13382999

約数列:

[1, 3, 7, 9, 21, 63, 379, 853, 1137, 2559, 2653, 3411, 5971, 7677, 7959, 17913, 23877, 53739, 323287, 969861, 2263009, 2909583, 6789027, 20367081]

約数ペア:

[(1, 20367081), (3, 6789027), (7, 2909583), (9, 2263009), (21, 969861), (63, 323287), (379, 53739), (853, 23877), (1137, 17913), (2559, 7959), (2653, 7677), (3411, 5971)]