20579576

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 39560400

約数和(自身を除く): 18980824

約数列:

[1, 2, 4, 8, 73, 131, 146, 262, 269, 292, 524, 538, 584, 1048, 1076, 2152, 9563, 19126, 19637, 35239, 38252, 39274, 70478, 76504, 78548, 140956, 157096, 281912, 2572447, 5144894, 10289788, 20579576]

約数ペア:

[(1, 20579576), (2, 10289788), (4, 5144894), (8, 2572447), (73, 281912), (131, 157096), (146, 140956), (262, 78548), (269, 76504), (292, 70478), (524, 39274), (538, 38252), (584, 35239), (1048, 19637), (1076, 19126), (2152, 9563)]