20948031

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1613}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 34345920

約数和(自身を除く): 13397889

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 1613, 4329, 4839, 12987, 14517, 20969, 43551, 59681, 62907, 179043, 188721, 537129, 566163, 775853, 1611387, 2327559, 6982677, 20948031]

約数ペア:

[(1, 20948031), (3, 6982677), (9, 2327559), (13, 1611387), (27, 775853), (37, 566163), (39, 537129), (111, 188721), (117, 179043), (333, 62907), (351, 59681), (481, 43551), (999, 20969), (1443, 14517), (1613, 12987), (4329, 4839)]