20938492047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1303}}^1\times {\mathrm{2447}}^1$

素因数の和:3963

約数の個数: 32

約数和(自身を含む): 30645043200

約数和(自身を除く): 9706551153

約数列:

[1, 3, 11, 33, 199, 597, 1303, 2189, 2447, 3909, 6567, 7341, 14333, 26917, 42999, 80751, 259297, 486953, 777891, 1460859, 2852267, 3188441, 5356483, 8556801, 9565323, 16069449, 35072851, 105218553, 634499759, 1903499277, 6979497349, 20938492047]

約数ペア:

[(1, 20938492047), (3, 6979497349), (11, 1903499277), (33, 634499759), (199, 105218553), (597, 35072851), (1303, 16069449), (2189, 9565323), (2447, 8556801), (3909, 5356483), (6567, 3188441), (7341, 2852267), (14333, 1460859), (26917, 777891), (42999, 486953), (80751, 259297)]