20111429079

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{72077}}^1$

素因数の和:72236

約数の個数: 48

約数和(自身を含む): 34302208512

約数和(自身を除く): 14190779433

約数列:

[1, 3, 7, 9, 21, 43, 63, 103, 129, 301, 309, 387, 721, 903, 927, 2163, 2709, 4429, 6489, 13287, 31003, 39861, 72077, 93009, 216231, 279027, 504539, 648693, 1513617, 3099311, 4540851, 7423931, 9297933, 21695177, 22271793, 27893799, 51967517, 65085531, 66815379, 155902551, 195256593, 319229033, 467707653, 957687099, 2234603231, 2873061297, 6703809693, 20111429079]

約数ペア:

[(1, 20111429079), (3, 6703809693), (7, 2873061297), (9, 2234603231), (21, 957687099), (43, 467707653), (63, 319229033), (103, 195256593), (129, 155902551), (301, 66815379), (309, 65085531), (387, 51967517), (721, 27893799), (903, 22271793), (927, 21695177), (2163, 9297933), (2709, 7423931), (4429, 4540851), (6489, 3099311), (13287, 1513617), (31003, 648693), (39861, 504539), (72077, 279027), (93009, 216231)]