20591037

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 32015360

約数和(自身を除く): 11424323

約数列:

[1, 3, 9, 27, 31, 73, 93, 219, 279, 337, 657, 837, 1011, 1971, 2263, 3033, 6789, 9099, 10447, 20367, 24601, 31341, 61101, 73803, 94023, 221409, 282069, 664227, 762631, 2287893, 6863679, 20591037]

約数ペア:

[(1, 20591037), (3, 6863679), (9, 2287893), (27, 762631), (31, 664227), (73, 282069), (93, 221409), (219, 94023), (279, 73803), (337, 61101), (657, 31341), (837, 24601), (1011, 20367), (1971, 10447), (2263, 9099), (3033, 6789)]