20388016

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10531}}^1$

素因数の和:10561

約数の個数: 30

約数和(自身を含む): 43423436

約数和(自身を除く): 23035420

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10531, 21062, 42124, 84248, 115841, 168496, 231682, 463364, 926728, 1274251, 1853456, 2548502, 5097004, 10194008, 20388016]

約数ペア:

[(1, 20388016), (2, 10194008), (4, 5097004), (8, 2548502), (11, 1853456), (16, 1274251), (22, 926728), (44, 463364), (88, 231682), (121, 168496), (176, 115841), (242, 84248), (484, 42124), (968, 21062), (1936, 10531)]