20839383

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 31908800

約数和(自身を除く): 11069417

約数列:

[1, 3, 9, 27, 73, 97, 109, 219, 291, 327, 657, 873, 981, 1971, 2619, 2943, 7081, 7957, 10573, 21243, 23871, 31719, 63729, 71613, 95157, 191187, 214839, 285471, 771829, 2315487, 6946461, 20839383]

約数ペア:

[(1, 20839383), (3, 6946461), (9, 2315487), (27, 771829), (73, 285471), (97, 214839), (109, 191187), (219, 95157), (291, 71613), (327, 63729), (657, 31719), (873, 23871), (981, 21243), (1971, 10573), (2619, 7957), (2943, 7081)]