20688906

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1753}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 47484288

約数和(自身を除く): 26795382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 281, 562, 843, 1686, 1753, 1967, 3506, 3934, 5259, 5901, 10518, 11802, 12271, 24542, 36813, 73626, 492593, 985186, 1477779, 2955558, 3448151, 6896302, 10344453, 20688906]

約数ペア:

[(1, 20688906), (2, 10344453), (3, 6896302), (6, 3448151), (7, 2955558), (14, 1477779), (21, 985186), (42, 492593), (281, 73626), (562, 36813), (843, 24542), (1686, 12271), (1753, 11802), (1967, 10518), (3506, 5901), (3934, 5259)]