20777582

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20903}}^1$

素因数の和:20983

約数の個数: 16

約数和(自身を含む): 36122112

約数和(自身を除く): 15344530

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20903, 41806, 146321, 292642, 1484113, 2968226, 10388791, 20777582]

約数ペア:

[(1, 20777582), (2, 10388791), (7, 2968226), (14, 1484113), (71, 292642), (142, 146321), (497, 41806), (994, 20903)]