20939148

素因数分解:

$2^2\times 3^4\times {\mathrm{64627}}^1$

素因数の和:64643

約数の個数: 30

約数和(自身を含む): 54739916

約数和(自身を除く): 33800768

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 64627, 129254, 193881, 258508, 387762, 581643, 775524, 1163286, 1744929, 2326572, 3489858, 5234787, 6979716, 10469574, 20939148]

約数ペア:

[(1, 20939148), (2, 10469574), (3, 6979716), (4, 5234787), (6, 3489858), (9, 2326572), (12, 1744929), (18, 1163286), (27, 775524), (36, 581643), (54, 387762), (81, 258508), (108, 193881), (162, 129254), (324, 64627)]