20983149

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1171}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 33275424

約数和(自身を除く): 12292275

約数列:

[1, 3, 9, 11, 33, 99, 181, 543, 1171, 1629, 1991, 3513, 5973, 10539, 12881, 17919, 38643, 115929, 211951, 635853, 1907559, 2331461, 6994383, 20983149]

約数ペア:

[(1, 20983149), (3, 6994383), (9, 2331461), (11, 1907559), (33, 635853), (99, 211951), (181, 115929), (543, 38643), (1171, 17919), (1629, 12881), (1991, 10539), (3513, 5973)]