20100157

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 26600000

約数和(自身を除く): 6499843

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1249, 1463, 2299, 8743, 13739, 16093, 23731, 96173, 151129, 166117, 261041, 1057903, 1827287, 2871451, 20100157]

約数ペア:

[(1, 20100157), (7, 2871451), (11, 1827287), (19, 1057903), (77, 261041), (121, 166117), (133, 151129), (209, 96173), (847, 23731), (1249, 16093), (1463, 13739), (2299, 8743)]