20807523

素因数分解:

$3^4\times {\mathrm{11}}^3\times {\mathrm{193}}^1$

素因数の和:238

約数の個数: 40

約数和(自身を含む): 34365936

約数和(自身を除く): 13558413

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 193, 297, 363, 579, 891, 1089, 1331, 1737, 2123, 3267, 3993, 5211, 6369, 9801, 11979, 15633, 19107, 23353, 35937, 57321, 70059, 107811, 171963, 210177, 256883, 630531, 770649, 1891593, 2311947, 6935841, 20807523]

約数ペア:

[(1, 20807523), (3, 6935841), (9, 2311947), (11, 1891593), (27, 770649), (33, 630531), (81, 256883), (99, 210177), (121, 171963), (193, 107811), (297, 70059), (363, 57321), (579, 35937), (891, 23353), (1089, 19107), (1331, 15633), (1737, 11979), (2123, 9801), (3267, 6369), (3993, 5211)]