20077701

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 31584384

約数和(自身を除く): 11506683

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 511, 1533, 1871, 3577, 5613, 10731, 13097, 39291, 91679, 136583, 275037, 409749, 956081, 2868243, 6692567, 20077701]

約数ペア:

[(1, 20077701), (3, 6692567), (7, 2868243), (21, 956081), (49, 409749), (73, 275037), (147, 136583), (219, 91679), (511, 39291), (1533, 13097), (1871, 10731), (3577, 5613)]