20829896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1487}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 41783040

約数和(自身を除く): 20953144

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1487, 1751, 2974, 3502, 5948, 7004, 11896, 14008, 25279, 50558, 101116, 153161, 202232, 306322, 612644, 1225288, 2603737, 5207474, 10414948, 20829896]

約数ペア:

[(1, 20829896), (2, 10414948), (4, 5207474), (8, 2603737), (17, 1225288), (34, 612644), (68, 306322), (103, 202232), (136, 153161), (206, 101116), (412, 50558), (824, 25279), (1487, 14008), (1751, 11896), (2974, 7004), (3502, 5948)]