20849367

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14632233

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 2099, 3311, 6297, 9933, 14693, 23089, 44079, 69267, 90257, 161623, 270771, 484869, 631799, 992827, 1895397, 2978481, 6949789, 20849367]

約数ペア:

[(1, 20849367), (3, 6949789), (7, 2978481), (11, 1895397), (21, 992827), (33, 631799), (43, 484869), (77, 270771), (129, 161623), (231, 90257), (301, 69267), (473, 44079), (903, 23089), (1419, 14693), (2099, 9933), (3311, 6297)]