20654178

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1759}}^1$

素因数の和:1886

約数の個数: 32

約数和(自身を含む): 43929600

約数和(自身を除く): 23275422

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 114, 206, 309, 618, 1759, 1957, 3518, 3914, 5277, 5871, 10554, 11742, 33421, 66842, 100263, 181177, 200526, 362354, 543531, 1087062, 3442363, 6884726, 10327089, 20654178]

約数ペア:

[(1, 20654178), (2, 10327089), (3, 6884726), (6, 3442363), (19, 1087062), (38, 543531), (57, 362354), (103, 200526), (114, 181177), (206, 100263), (309, 66842), (618, 33421), (1759, 11742), (1957, 10554), (3518, 5871), (3914, 5277)]