20468619

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 30942912

約数和(自身を除く): 10474293

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 643, 1179, 1929, 3537, 5787, 10611, 17361, 31833, 52083, 84233, 156249, 252699, 758097, 2274291, 6822873, 20468619]

約数ペア:

[(1, 20468619), (3, 6822873), (9, 2274291), (27, 758097), (81, 252699), (131, 156249), (243, 84233), (393, 52083), (643, 31833), (1179, 17361), (1929, 10611), (3537, 5787)]