20337184

素因数分解:

$2^5\times 7^1\times {\mathrm{163}}^1\times {\mathrm{557}}^1$

素因数の和:737

約数の個数: 48

約数和(自身を含む): 46122048

約数和(自身を除く): 25784864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 163, 224, 326, 557, 652, 1114, 1141, 1304, 2228, 2282, 2608, 3899, 4456, 4564, 5216, 7798, 8912, 9128, 15596, 17824, 18256, 31192, 36512, 62384, 90791, 124768, 181582, 363164, 635537, 726328, 1271074, 1452656, 2542148, 2905312, 5084296, 10168592, 20337184]

約数ペア:

[(1, 20337184), (2, 10168592), (4, 5084296), (7, 2905312), (8, 2542148), (14, 1452656), (16, 1271074), (28, 726328), (32, 635537), (56, 363164), (112, 181582), (163, 124768), (224, 90791), (326, 62384), (557, 36512), (652, 31192), (1114, 18256), (1141, 17824), (1304, 15596), (2228, 9128), (2282, 8912), (2608, 7798), (3899, 5216), (4456, 4564)]