20597409

素因数分解:

$3^5\times 7^1\times {\mathrm{12109}}^1$

素因数の和:12131

約数の個数: 24

約数和(自身を含む): 35264320

約数和(自身を除く): 14666911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 12109, 36327, 84763, 108981, 254289, 326943, 762867, 980829, 2288601, 2942487, 6865803, 20597409]

約数ペア:

[(1, 20597409), (3, 6865803), (7, 2942487), (9, 2288601), (21, 980829), (27, 762867), (63, 326943), (81, 254289), (189, 108981), (243, 84763), (567, 36327), (1701, 12109)]