20806685823

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1268623}}^1$

素因数の和:1268715

約数の個数: 32

約数和(自身を含む): 35074916352

約数和(自身を除く): 14268230529

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1491, 2343, 5467, 16401, 1268623, 3805869, 8880361, 13954853, 26641083, 41864559, 90072233, 97683971, 270216699, 293051913, 630505631, 990794563, 1891516893, 2972383689, 6935561941, 20806685823]

約数ペア:

[(1, 20806685823), (3, 6935561941), (7, 2972383689), (11, 1891516893), (21, 990794563), (33, 630505631), (71, 293051913), (77, 270216699), (213, 97683971), (231, 90072233), (497, 41864559), (781, 26641083), (1491, 13954853), (2343, 8880361), (5467, 3805869), (16401, 1268623)]