20844555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2011

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15097845

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1949, 2139, 3565, 5847, 9745, 10695, 29235, 44827, 60419, 134481, 181257, 224135, 302095, 672405, 906285, 1389637, 4168911, 6948185, 20844555]

約数ペア:

[(1, 20844555), (3, 6948185), (5, 4168911), (15, 1389637), (23, 906285), (31, 672405), (69, 302095), (93, 224135), (115, 181257), (155, 134481), (345, 60419), (465, 44827), (713, 29235), (1949, 10695), (2139, 9745), (3565, 5847)]