20507992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134921}}^1$

素因数の和:134946

約数の個数: 16

約数和(自身を含む): 40476600

約数和(自身を除く): 19968608

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134921, 269842, 539684, 1079368, 2563499, 5126998, 10253996, 20507992]

約数ペア:

[(1, 20507992), (2, 10253996), (4, 5126998), (8, 2563499), (19, 1079368), (38, 539684), (76, 269842), (152, 134921)]