20861368

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 44911440

約数和(自身を除く): 24050072

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 121, 184, 242, 253, 484, 506, 937, 968, 1012, 1874, 2024, 2783, 3748, 5566, 7496, 10307, 11132, 20614, 21551, 22264, 41228, 43102, 82456, 86204, 113377, 172408, 226754, 237061, 453508, 474122, 907016, 948244, 1896488, 2607671, 5215342, 10430684, 20861368]

約数ペア:

[(1, 20861368), (2, 10430684), (4, 5215342), (8, 2607671), (11, 1896488), (22, 948244), (23, 907016), (44, 474122), (46, 453508), (88, 237061), (92, 226754), (121, 172408), (184, 113377), (242, 86204), (253, 82456), (484, 43102), (506, 41228), (937, 22264), (968, 21551), (1012, 20614), (1874, 11132), (2024, 10307), (2783, 7496), (3748, 5566)]