20986537

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3413}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 25236288

約数和(自身を除く): 4249751

約数列:

[1, 11, 13, 43, 143, 473, 559, 3413, 6149, 37543, 44369, 146759, 488059, 1614349, 1907867, 20986537]

約数ペア:

[(1, 20986537), (11, 1907867), (13, 1614349), (43, 488059), (143, 146759), (473, 44369), (559, 37543), (3413, 6149)]