20393912

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{33107}}^1$

素因数の和:33131

約数の個数: 32

約数和(自身を含む): 47675520

約数和(自身を除く): 27281608

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 33107, 66214, 132428, 231749, 264856, 364177, 463498, 728354, 926996, 1456708, 1853992, 2549239, 2913416, 5098478, 10196956, 20393912]

約数ペア:

[(1, 20393912), (2, 10196956), (4, 5098478), (7, 2913416), (8, 2549239), (11, 1853992), (14, 1456708), (22, 926996), (28, 728354), (44, 463498), (56, 364177), (77, 264856), (88, 231749), (154, 132428), (308, 66214), (616, 33107)]