20959642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5507}}^1$

素因数の和:5693

約数の個数: 16

約数和(自身を含む): 34502112

約数和(自身を除く): 13542470

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5507, 11014, 60577, 121154, 952711, 1905422, 10479821, 20959642]

約数ペア:

[(1, 20959642), (2, 10479821), (11, 1905422), (22, 952711), (173, 121154), (346, 60577), (1903, 11014), (3806, 5507)]