20759156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 42069888

約数和(自身を除く): 21310732

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 73, 92, 146, 253, 281, 292, 506, 562, 803, 1012, 1124, 1606, 1679, 3091, 3212, 3358, 6182, 6463, 6716, 12364, 12926, 18469, 20513, 25852, 36938, 41026, 71093, 73876, 82052, 142186, 225643, 284372, 451286, 471799, 902572, 943598, 1887196, 5189789, 10379578, 20759156]

約数ペア:

[(1, 20759156), (2, 10379578), (4, 5189789), (11, 1887196), (22, 943598), (23, 902572), (44, 471799), (46, 451286), (73, 284372), (92, 225643), (146, 142186), (253, 82052), (281, 73876), (292, 71093), (506, 41026), (562, 36938), (803, 25852), (1012, 20513), (1124, 18469), (1606, 12926), (1679, 12364), (3091, 6716), (3212, 6463), (3358, 6182)]