20652555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17881}}^1$

素因数の和:17907

約数の個数: 32

約数和(自身を含む): 41200128

約数和(自身を除く): 20547573

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 17881, 53643, 89405, 125167, 196691, 268215, 375501, 590073, 625835, 983455, 1376837, 1877505, 2950365, 4130511, 6884185, 20652555]

約数ペア:

[(1, 20652555), (3, 6884185), (5, 4130511), (7, 2950365), (11, 1877505), (15, 1376837), (21, 983455), (33, 625835), (35, 590073), (55, 375501), (77, 268215), (105, 196691), (165, 125167), (231, 89405), (385, 53643), (1155, 17881)]