20157442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{929}}^1$

素因数の和:1521

約数の個数: 16

約数和(自身を含む): 31917600

約数和(自身を除く): 11760158

約数列:

[1, 2, 19, 38, 571, 929, 1142, 1858, 10849, 17651, 21698, 35302, 530459, 1060918, 10078721, 20157442]

約数ペア:

[(1, 20157442), (2, 10078721), (19, 1060918), (38, 530459), (571, 35302), (929, 21698), (1142, 17651), (1858, 10849)]