20038898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12829}}^1$

素因数の和:12913

約数の個数: 16

約数和(自身を含む): 33255360

約数和(自身を除く): 13216462

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12829, 25658, 141119, 282238, 910859, 1821718, 10019449, 20038898]

約数ペア:

[(1, 20038898), (2, 10019449), (11, 1821718), (22, 910859), (71, 282238), (142, 141119), (781, 25658), (1562, 12829)]