20246894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12391}}^1$

素因数の和:12455

約数の個数: 16

約数和(自身を含む): 32714880

約数和(自身を除く): 12467986

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 12391, 24782, 235429, 470858, 532813, 1065626, 10123447, 20246894]

約数ペア:

[(1, 20246894), (2, 10123447), (19, 1065626), (38, 532813), (43, 470858), (86, 235429), (817, 24782), (1634, 12391)]