20685912

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66301}}^1$

素因数の和:66323

約数の個数: 32

約数和(自身を含む): 55693680

約数和(自身を除く): 35007768

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66301, 132602, 198903, 265204, 397806, 530408, 795612, 861913, 1591224, 1723826, 2585739, 3447652, 5171478, 6895304, 10342956, 20685912]

約数ペア:

[(1, 20685912), (2, 10342956), (3, 6895304), (4, 5171478), (6, 3447652), (8, 2585739), (12, 1723826), (13, 1591224), (24, 861913), (26, 795612), (39, 530408), (52, 397806), (78, 265204), (104, 198903), (156, 132602), (312, 66301)]