20717158

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5849}}^1$

素因数の和:5892

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19718042

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 5849, 11698, 40943, 64339, 81886, 128678, 134527, 269054, 450373, 900746, 941689, 1479797, 1883378, 2959594, 10358579, 20717158]

約数ペア:

[(1, 20717158), (2, 10358579), (7, 2959594), (11, 1883378), (14, 1479797), (22, 941689), (23, 900746), (46, 450373), (77, 269054), (154, 134527), (161, 128678), (253, 81886), (322, 64339), (506, 40943), (1771, 11698), (3542, 5849)]