20628112

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27431}}^1$

素因数の和:27486

約数の個数: 20

約数和(自身を含む): 40818816

約数和(自身を除く): 20190704

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27431, 54862, 109724, 219448, 438896, 1289257, 2578514, 5157028, 10314056, 20628112]

約数ペア:

[(1, 20628112), (2, 10314056), (4, 5157028), (8, 2578514), (16, 1289257), (47, 438896), (94, 219448), (188, 109724), (376, 54862), (752, 27431)]