20971342

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2027}}^1$

素因数の和:2775

約数の個数: 16

約数和(自身を含む): 36017280

約数和(自身を除く): 15045938

約数列:

[1, 2, 7, 14, 739, 1478, 2027, 4054, 5173, 10346, 14189, 28378, 1497953, 2995906, 10485671, 20971342]

約数ペア:

[(1, 20971342), (2, 10485671), (7, 2995906), (14, 1497953), (739, 28378), (1478, 14189), (2027, 10346), (4054, 5173)]