20213106327

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{881}}^1\times {\mathrm{68899}}^1$

素因数の和:69823

約数の個数: 24

約数和(自身を含む): 30020281200

約数和(自身を除く): 9807174873

約数列:

[1, 3, 9, 37, 111, 333, 881, 2643, 7929, 32597, 68899, 97791, 206697, 293373, 620091, 2549263, 7647789, 22943367, 60700019, 182100057, 546300171, 2245900703, 6737702109, 20213106327]

約数ペア:

[(1, 20213106327), (3, 6737702109), (9, 2245900703), (37, 546300171), (111, 182100057), (333, 60700019), (881, 22943367), (2643, 7647789), (7929, 2549263), (32597, 620091), (68899, 293373), (97791, 206697)]