20829339

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{2137}}^1$

素因数の和:2184

約数の個数: 24

約数和(自身を含む): 32583120

約数和(自身を除く): 11753781

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 2137, 3249, 6411, 9747, 19233, 40603, 57699, 121809, 365427, 771457, 1096281, 2314371, 6943113, 20829339]

約数ペア:

[(1, 20829339), (3, 6943113), (9, 2314371), (19, 1096281), (27, 771457), (57, 365427), (171, 121809), (361, 57699), (513, 40603), (1083, 19233), (2137, 9747), (3249, 6411)]